Agram 2021 – A Year In Review
This year, 2021, has come to an end. The year we celebrated our 18th birthday, we came of age and faced various post-earthquake and pandemic challenges. The impossibility of using our main space, but also the epidemiological limitations of the number of people in the space of the ZZTK cinema hall that we use on Wednesday evenings, followed us for the second year in a row. Consequently, the gaming part suffered greatly, while the hobby part flourished.
We started the year at a fast pace, publishing not one but two publications. The first was Miniaturism in the Corona era - Collection of articles from miniaturism and model making, and the second was a monograph on the occasion of the 18th birthday of the Association - Our first 18 years, 2003. -2020.
EXHIBITION OF MINIATURES AND TABLETOP SCENERY AGRAM 2021
In parallel with the publication of books, we prepared our annual Exhibition of Miniatures and Tabletop Scenery, during which we organized a weekend miniature painting workshop and for the second time in this period our international Black Queen Hobby and Miniature Painting Competition. As always, the exhibition showed a cross-section of the work of the Association, its members, participants in its courses and workshops and members of the FB group Miniature Painters Croatia. Numerous miniatures for table strategy games, board games were found in a large number of showcases, and the entire showcase is dedicated to award-winning exhibits from previous miniature competitions. Several showcases were dedicated to projects that the Association has been implementing for 18 years, such as the Library and Reading Room UMS "Agram", the Workshop for making spatial models and the Workshop for coloring miniatures.
The opening of the Exhibition took place on Thursday, February 18, 2021, starting at 6 p.m. The exhibition was organized on the occasion of the eighteenth birthday of the Association, and during the opening there was a promotion of books:
- Miniaturism in the Corona era (Collection of articles from miniaturism and model making), authors: Marko Paunović, Ana Polanšćak, Goran Krunić, Jure Cukar, Matija Koružnjak, Dalibor Čavić i Krunoslav Belinić
- MONOGRAPH: Our First 18 Years, authors: Marko Paunović, Ana Polanšćak i Goran Krunić
In addition, during the Exhibition, we held an election session of the Assembly of UMS "Agram", where we amended the Statute and elected a new leadership of the Association.
BLACK QUEEN HOBBY AND MINIATURE PAINTING COMPETITION 2021
Posljednji vikend u veljači bio je rezerviran za naš Black Queen Hobby and Miniature Painting Competition. I tu smo, zbog epidemije Covid-19, imali neke promjene u formatu natjecanja.
The biggest change in format was the registration process. For the first time, contestants had to register via email. Then they were given the exact time when they should come to check in (Saturday from 8:30 to 11:00). This limited the number of people at the scene at the same time.
MINIATURE PAINTING WORKSHOPS
The layout of the Vladimir Horvat Gallery allows for workshops during the weekend. Therefore, on Saturday after the official opening of the competition, three one-hour demonstration workshops were organized and three on the Sunday before the awards ceremony. This year the workshops were held in the cinema hall. The lecturers' work was filmed with a camera and projected on a projection screen in the hall. In this way, social distancing was maintained. Also, this setting meant that the workshops were limited to 10 participants, so registration for the workshops via e-mail was mandatory.
SCULPTING 101 WORKSHOP
Date and time: Saturday 27. February 2021, 12:30-13:30
TUTOR:Ana Polanšćak
CONTENT:
The Workshop will cover modelling of three separate textures:chainmailfurscalesThose three textures are the most common when converting or even assembling your fantasy, SF and historical miniatures. Ana will show her method using two-component epoxies (like Green Stuff, Miliput etc.).
USING COLOURS TO CREATE ATMOSPHERE
Date and time: Saturday 27. February 2021, 14:00-15:00
TUTOR: @Matija Koružnjak
CONTENT:
The workshop deals with the process of selecting, mixing and using colour in order to create an ambient atmosphere using miniatures in 28-32mm scale. The theoretical part covers the reasoning behind the selection of a specific palette with regard to the colour theory, the concept of saturation and ambient lighting as the main postulates of practical application, while through the practical part of the sketching process we show how to turn an idea into realisation.
DILUTING PAINT 101
Date and time: Saturday 27. February 2021, 17:00-18:00
TUTOR: Jure Cukar (aka @John Alton)
CONTENT:
This workshop will cover the basic ways to manipulate paint. How to prepare out-of-the-bottle acrylic paint, using various diluting ratios, to be used for layering, washing and glazing techniques as well as how to properly use those techniques on your miniatures. The tutor will use the Lord of the Cats bust by Michael Kontraros Collectibles.
VEGETATION 101 WORKSHOP
Date and time: Sunday 28. February 2021, 10:00-11:00
TUTOR: @Marko Paunovic
CONTENT:
The workshop will cover the process of making a simple base/terrain. The focus will be on recreating life-like vegetation where the tutor will show how to use various types of vegetation. The vegetation used will be from @Martin Welberg Scenic Studios and @Diorama Presepe.
HISTORIC MINIATURES 101 WORKSHOP
Date and time: Sunday 28. February 2021, 11:30-12:30
TUTOR: @Dalibor Čavić
CONTENT:
This workshop will cover the process of painting 28mm historical miniatures. The tutor has chosen British colonial infantry from Anglo-Zulu wars (1879) by Perry Miniatures to explain the theory behind finding historic sources for uniforms as well as practical application using various techniques like basecoating, washing, highlighting and detailing with acrylic paints.
AIRBRUSHING 101
Date and time:Sunday 28. February 2021, 14:30-15:30
TUTOR: Mario Ogrizek-Tomaš (aka @Cuvar Boja)
CONTENT:
The workshop will cover the basic techniques for working with an airbrush. Topics we will address: • myths and legends about miniature painting with an airbrush (mythbusting) • airbrush anatomy, • which compressor settings to use, • basics of using dual action airbrush (trigger control), • colour consistency and troubleshooting, • zenithal undercoat, • precision spraying, • cleaning, • safety at work.
Speed Painting Contests
There was a speed painting contest organised on Saturday. Participants (up to 10) had an hour to paint a single miniature. Thanks to our sponsor Hobby Chest who secured a huge donation of painting materials by AK Interactive, we were able to hold a Speed Painting Contest with the following rules: - contestants had an hour to paint a miniature - all contestants painted the same (type of) miniature - we provided the paints by AK Interactive - we provided the brushes by AK Interactive
WEEKEND MINIATURE PAINTING WORKSHOPS
On 20.-21.2., we organised a MINIATURE PAINTING WORKSHOP – Horses, Wargs and Birds.
The weekend workshop covered the basics of painting three kinds of animals. The main focus of the workshop was painting of the fur textrue, long and short animal hair as well as feathers. For this, the tutors chose some appropriate miniatures of horses, wargs and birds for the attendees to paint with acrylic paints. The lectures were addapted so the tutors could spend equal ammount of time on each participant and therefore could addapt to all categories of miniature painters (beginer or advanced).
First the tutor sitting behind his desk explained and demonstrated each step of the painting on his example. His work was transmitted over a camera and a digital projector onto a screen in the cinema hall. The pupils watched and listened to the tutor but could also stop him/her and ask questions. Then, the pupils paint their own miniatures copying what they have learned while the tutors walk among them and check their progress. The following themes were covered:
1. Horses – short hair and long hair
2. Wargovi – fur and snout
3. Birds – feathers, beak and claws
The club provided all with the necessary equipment, paints, tools, brushes, lighting, glue as well as a set of paints.
Due to the pandemic, the following epidemiologic measures were enforced:
Correct wearing of masks was obligatory. The Disinfectant was at hand for all to use freely. Camera nad projection screen was used to ensure the social distancing while lecturing and separate tables for all the participants moved 2m apart to ensure the social distancing while the pupils paint.
Miniature painting workshop - bust of Krieger was held over the weekend of 22-23.05.2021. in the cinema hall of the Zagreb Association of Technical Culture on Trg žrtava fašizma 14. Both days the workshop lasted from 10 am to 6 pm and there were a total of 10 participants who painted the bust of Death Guard of Krieg.
The main focus of these lectures was the coloring of camouflage, textures of rough textiles, leather textures, metals and weathering. Guided by this, the leaders chose a suitable post-apocalyptic bust that all participants were afraid of. As part of the workshop, acrylic paints and oil effects were used.
The workshop included the following thematic units:
1. Setting up the bust at the base
2. Preparatory work on the bust and the base color
3. Textile dyeing and subsequent camouflage
4. Metal parts and weathering
5. Leather belts and holsters
6. Glasses with glare
7. Decals
Miniature painting workshop - bust of Hellboy was held over the weekend of 18-19.09.2021. in the cinema hall of the Zagreb Association of Technical Culture on Trg žrtava fašizma 14. Both days the workshop lasted from 10 am to 6 pm and there were a total of 10 participants who painted the bust of Hellboy.
The main focus of these lectures was the coloring of demon skin, the texture of rough textiles or leather parts and special effects such as OSL. Guided by this, the leaders chose a suitable bust of Hellboy. As part of the workshop, acrylic paints as well as oil effects were used.
The workshop included the following thematic units:
1. Setting up the bust at the base
2. Preparatory work on the bust and the base color
3. Painting demon skin
4. Leather / textile coat surfaces
5. Special effects: OSL acrylics
MINIATURE PAINTERS CROATIA – FB group
At our FB group Miniature Painters Croatia, we organized two online competitions in coloring miniatures: Summer Painting Competition and Winter Painting Competition.
WEDNESDAY HOBBY CORNER
Wednesday Hobby Corner is conceived as a sum of free activities in the space used by UMS "Agram" on Wednesday night. Most of the activities are open to everyone, with some benefits for members of UMS "Agram" such as storing miniatures in display cases between appointments or borrowing books from our rich Library. All activities were available in each of the terms to the extent permitted by the current epidemiological situation.
1 on 1 Workshop
For all those who wanted to learn how to paint miniatures in structured and carefully designed workshops, as part of the Hobby Corner, we organized One on One Workshops. The One on One workshop has several modules designed to introduce beginners to every aspect of this hobby as soon as possible, but also to enable more experienced miniaturists to learn / practice more advanced techniques in agreement with the leaders. Work programme: 1st term - introduction to paints, glues and brushes, composing miniatures and primers 2nd term - basic layers and shades (basecoat and wash): leather, textile, metal, wood 3rd term - details and highlights 4th term - making and painting the base and vegetation
Terrain Workshop
As part of the Wednesday Hobby Corner, a terrain workshop was held, in which our youngest participants learned to make terrain scenery this year. Work programme: 1. term - introduction to tools, materials and technical drawing; base making and texturing 2. term - construction of the building, roof, tiles and windows; facade texturing 3rd term - making a fence, undercoat, painting 4th term - introduction to technical drawing, placing grass and other plants
The Bust Saga
The Bust Saga is the forerunner of a program called Agram Group Build. Our Goran and Marko started making and painting two of the same busts. They painted exclusively on Wednesdays during the Wednesday Hobby Corner, and we followed their work in articles on the UMS "Agram" page.
AGRAM GROUP BUILD
As part of the new UMS "Agram" project called Agram Group Build, which was created after Goran, Kruno and Marko discussed joint projects on Wednesdays and how cool it would be to gather more people on Wednesdays to work on something together… This gave birth to the idea of Group Builds. In 2021, the NY / Gotham diorama from the 1980s was launched. And two more group builds are in preparation - dieselpunk flying island and coloring 4 busts on the theme of the Three Musketeers.
AGRAM ATMOSPHERE
Hoping to bring the gaming part of the population back to the Association, we started the Agram Atmosphere program earlier this year. Unfortunately, the program was shut down by the leader's decision to leave the Association. However, even the limited maintenance of the program brought us a handful of good battle reports that were published on our site!
Domagoj's Slow Grow League
And just when we thought gaming was unfortunately over, our Domagoj appeared with the idea, will and enthusiasm to start something casual, uncompetitive and suitable for beginners, something that eventually crystallized in Domagoj's Slow Grow League in 40k. The boys play with small armies and are rewarded with points for newly painted figures. In this way, fast, short games are played, but also the coloring of the figures is stimulated for the general enjoyment of both the player and the rest of us who are watching from the sidelines!
PERFORMANCES OF OUR MEMBERS IN COMPETITIONS
On Saturday, August 28, 2021 organized by ZMMS, the 16th Model Making Cup Zagreb was held at the Electrical Engineering School in Zagreb. The organizers allowed us to award the Best of Show by UMS Agram. The award was in the form of a medal and our collection of articles from miniaturism and modeling Miniaturism in the Corona era and went to Mr. Roland Vlahović.
On Saturday, September 11, 2021 organized by HUVM, the 16th Modeling Cup CK2021 was held at the Gračani Elementary School in Zagreb. Highlight of the day is certainly the stand of Miniatures.si, which, in addition to sales, also organized the only workshop at this year's competition led by Luka Jančić on their bust of firefighters. This was the first “place” where that bust could be purchased. In addition to the bust, in a metal box, there is a USB with about 5 hours of video material with instructions for coloring the same bust. A real hit for beginners and those who want to learn more. BEST OF SHOW chosen by members of UMS Agram: Mr. Angelo Milella
At the end of October and the beginning of November, our Matija Koružnjak participated in the Rotten Harvest competition of the company Wyrd Miniatures, where he won first place in the Spooktacular category. CONGRATULATIONS ONCE AGAIN!
VISITS TO MODELLING EXHIBITIONS
Our members also visited two model exhibitions during 2021. The first was the World Competition of Ship Modellers in 2021 and the exhibition "Rijeka 2021" which was held from 12 to 19 September at the Exportdrva in Rijeka. Our longtime member and one of the founders, Berislav Tušek, visited the competition.
The second exhibition entitled Fly with us was organized by the Trešnjevka Model Aeroclub in cooperation with the Zagreb Aviation Technical Association Rudolf Perešin, Zagreb Technical Museum Nikola Tesla and the City of Zagreb - City Office of Education from 11 to 23 October 2021.
COOPERATIONS AND APPEARANCES OF THE ASSOCIATION IN 2021
Our members Nino Marasović and Mislav Gorupec had the honor to lend their miniatures of their respective Breton Armies for the exhibition Sword Once Upon a Time ... "directed" by the Croatian History Museum in the Klovićevi dvori Gallery. The exhibition was open from 19.05.2021. to 07/18/2021
On Saturday, September 25, 2021 organized by the Zagreb Association of Technical Culture, the 10th Days of Technical Culture were held at the Cultural Center Dubrava, Dubrava 51a. UMS "Agram" performed with a presentation of the work of our various programs such as 1 on 1 Workshop, Agram Group Build and Library and Reading Room UMS "Agram".
UMS "Agram" has established cooperation with the coffee bar Cherry Tree, where the works of our Marko Paunović have been permanently exhibited since October. In two, now illuminated, windows, you can see several multi-award winning works with the theme of The Lord of the Rings and Star Wars.
The traditional Christmas exhibition by ZZTK was held this year, from 14 to 23.12. at the Vladimir Horvat Gallery, Trg žrtava fašizma 14. At the invitation of the Community, we gladly responded to participate in the Exhibition with our model Frostgrave, which fit well with the theme of the Exhibition.
ARTICLES ON MINIATURISM AND MODELLING
Finally, our most comprehensive program should be mentioned. Online publishing of articles from miniaturism and modeling started in 2020 and continued in 2021 with over 60 published articles this year. We would like to thank all the members for their work and commitment in making miniatures and models, but especially in taking the time to photograph the work in progress and write articles for our site.
Latest articles
- Painting Faces at Tabletop Level Marko Paunović, 20th May 2026
- Pigmentation principles: why do the colors look the way they do? Dunja Singer, 20th May 2026
- Painting a Floral Kimono Ivan Knezović, 5th May 2026
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Pigmentation principles: why powdered pigment doesn't work
- • Titanium dioxide (TiO₂) — IR around 2.7 → excellent coverage, strongest white pigment
- • Zinc oxide (ZnO) — IR around 2.0 → good coverage
- • Calcium carbonate (CaCO₃) — IR around 1.59 → poor coverage, filler
- • Calcium sulfate / gypsum (CaSO₄) — IR around 1.52 → almost transparent in a binder, filler
This means that gypsum and chalk, although white as a powder, become almost transparent in the formulation of a coating or mass. They do not compete with the pigment — they are subordinate to it. That's why a small amount of pigment easily and evenly colors a gypsum or chalk-based mass, while the same amount of pigment in a mass containing TiO₂ would be barely visible.
3. Agglomeration — the enemy of even color
Pigment powders do not exist as perfectly separate particles. Due to electrostatic attractive forces and surface tension, the particles spontaneously group into clusters called agglomerates or aggregates. Agglomeration is particularly pronounced in: fine particles (the smaller the particle, the higher the surface area to volume ratio, so the attractive forces are relatively stronger) pigments with a high specific surface area, such as carbon black high temperature or humidity conditions When pigment powder is mixed with filler or binder powder, the agglomerates do not break down—they remain as compact clusters. The visual result is an uneven color: dark spots where pigment particles have accumulated, and pale areas where they are absent. The user then concludes that "more pigment is needed"—but this is not true. The problem is not a lack of pigment, but its poor distribution.
4. Dispersion — meaning properly dispersed pigment
Dispersion is the process of breaking up agglomerates and evenly distributing individual pigment particles throughout a medium (water, oil, binder). A well-dispersed pigment means that the particles are as evenly distributed as possible — each filler or binder particle "sees" the pigment, not just the neighborhood of the agglomerate. Dispersion is achieved by mechanical and chemical means:
- • Mechanical: mixing with high shear forces (mixers, mill aggregates, ultrasound). Mixing with a spoon or spatula is not sufficient to break up agglomerates.
- • Chemical: the use of dispersants and surfactants that adsorb to the surface of the particle and prevent it from re-adhering to neighboring particles.
5. Why liquid colorant works better than powdered pigment
Liquid colorants are not just pigment dissolved in water. They are ready-made systems that contain: Pigment — already dispersed to the level of individual particles or very small clusters Dispersants and surfactants — which keep the particles separated and prevent re-agglomeration Liquid medium — which allows the pigment to be evenly distributed throughout the material being colored before that material begins to set or dry When a liquid colorant is added to the mixing water (e.g. in gypsum, concrete, mortar), the pigment is already in an ideal state of dispersion. The same amount of pigment is evenly delivered to each part of the mixture. The color effect is therefore much more intense than with dry-mixed pigment — with a significantly lower total amount of pigment. The same logic applies to paints and varnishes: pigment pastes and dispersed pigments provide better coverage and color uniformity than pigments that have not undergone the dispersion process.
6. Practical application — gypsum example
Gypsum is a good example because it illustrates all the above principles at once. Because it has a low refractive index (~1.52), it is not a true white pigment — it does not resist staining when mixed with a binder. This means that a small amount of black pigment can easily and evenly color the gypsum mass. Why then does it happen to many people that they have to add a large proportion of pigment in relation to the mass of plaster? Because they mix the pigment in powder form directly into the gypsum powder. Pigment agglomerates (especially Fe₃O₄ or carbon black) remain intact, the distribution is uneven, and the result is disappointing. The conclusion "we need more" is wrong — we need better.
Correct procedure:
Add the colorant (or pigment dispersed in water) to the mixing water Mix the water with the colorant well Only then add the gypsum and mix until a homogeneous mixture This way, the pigment is distributed throughout the entire mass before the gypsum begins to set. The result is an even, intense color with a much smaller amount of pigment than with dry mixing. For those who do not have access to professional colorants, a good alternative are liquid pigment additives available in building paint stores — usually in the form of small bottles intended for tinting wall paints. It is the same principle: the pigment is already dispersed in a liquid medium with additives that prevent agglomeration. Added to the mixing water, they give a more even result than powdered pigment with a significantly smaller amount.
Conclusion
The intensity and uniformity of color in a mass depend not only on the amount of pigment — they depend on how well the pigment is dispersed. A pigment powder mixed with a powder of another material almost always gives worse results than a pigment that has been previously dispersed in a liquid medium, in the presence of dispersants. When you encounter the problem of "the pigment does not color enough," it is worth asking yourself: is the problem not in the way it was added — and not in the amount.
" ["content_hrv"]=> string(9431) "Ovaj tekst nastao je nakon druženja srijedom na kojem se razvila rasprava o pigmentaciji gipsa. Kako nisam uspjela sve objasniti na licu mjesta, odlučila sam to složiti na papir — a principi o kojima je riječ ionako vrijede šire od samog gipsa.
1. Što je pigment — i što nije
Pigment je tvar koja daje boju tako što selektivno apsorbira određene valne duljine vidljivog svjetla i reflektira ostale. Crni pigment apsorbira gotovo sve valne duljine; crveni apsorbira plavu i zelenu, a reflektira crvenu. Važno je razlikovati pigment od punila. Punila su bijele ili neutralne tvari koje se dodaju u boje, premaze i mase kako bi povećala volumen, poboljšala teksturu ili snizila cijenu — ali same po sebi ne daju snažnu boju ni dobru pokrivnost. Tipična punila su kalcijev karbonat (kreda, CaCO₃), kalcijev sulfat (gips, CaSO₄), barijev sulfat i slični materijali. Razlika između pravog pigmenta i punila nije samo u boji — leži u fizikalnom svojstvu koje se zove indeks refrakcije.
2. Indeks refrakcije i pokrivnost
Indeks refrakcije (IR) opisuje koliko se svjetlost lomi i raspršuje kada prolazi kroz neku tvar ili nailazi na njezinu površinu. Što je veći, to čestica jače raspršuje svjetlost — i time djeluje neprozirnije, "pokrivnije". Nekoliko usporednih vrijednosti:
- • Titanijev dioksid (TiO₂) — IR oko 2,7 → izvanredna pokrivnost, najjači bijeli pigment
- • Cinkov oksid (ZnO) — IR oko 2,0 → dobra pokrivnost
- • Kalcijev karbonat (CaCO₃) — IR oko 1,59 → slaba pokrivnost, punilo
- • Kalcijev sulfat / gips (CaSO₄) — IR oko 1,52 → gotovo transparentno u vezivu, punilo
Ovo znači da gips i kreda, premda su bijeli kao prah, u formulaciji premaza ili mase postaju gotovo prozirni. Ne natječu se s pigmentom — podređuju mu se. Zato mala količina pigmenta lako i ravnomjerno oboji masu na bazi gipsa ili krede, dok bi ista količina pigmenta u masi koja sadrži TiO₂ jedva bila vidljiva.
3. Aglomeracija — neprijatelj ravnomjerne boje
Pigmenti u prahu ne postoje kao savršeno odvojene čestice. Zbog elektrostatičkih privlačnih sila i površinske napetosti, čestice se spontano grupiraju u nakupine koje se zovu aglomerati ili agregati. Aglomeracija je posebno izražena kod: sitnih čestica (što je čestica manja, veći je omjer površine i volumena, pa su privlačne sile relativno jače) pigmenata visoke specifične površine, poput carbon blacka (čađe) uvjeta visokih temperatura ili vlage Kada se prah pigmenta umiješa u prah punila ili veziva, aglomerati se ne raspadaju — ostaju kao kompaktne nakupine. Vizualni rezultat je neujednačena boja: tamne mrlje tamo gdje su se nakupile čestice pigmenta, i blijeda područja tamo gdje ih nema. Korisnik tada zaključuje da "treba više pigmenta" — ali to nije točno. Problem nije nedostatak pigmenta, nego njegova loša raspodjela.
4. Disperzija — što znači pravilno dispergiran pigment
Disperzija je proces razbijanja aglomerata i ravnomjernog raspoređivanja pojedinačnih čestica pigmenta kroz medij (vodu, ulje, vezivo). Dobro dispergiran pigment znači da su čestice što ravnomjernije raspoređene — svaka čestica punila ili veziva "vidi" pigment, a ne samo susjedstvo aglomerata. Disperzija se postiže mehaničkim i kemijskim putem:
- • Mehanički: miješanje s visokim smičnim silama (mikseri, mlinski agregati, ultrazuk). Miješanje žlicom ili lopaticom nije dovoljno za razbijanje aglomerata.
- • Kemijski: upotreba dispergirnih sredstava (dispergatora) i surfaktanata koji se adsorbiraju na površinu čestice i sprječavaju njezino ponovno lijepljenje za susjedne čestice.
5. Zašto tekući kolorant radi bolje od pigmenta u prahu
Tekući koloranti nisu samo pigment otopljen u vodi. To su gotovi sustavi koji sadrže: Pigment — već dispergiran do razine pojedinačnih čestica ili vrlo malih klastera Dispergatore i surfaktante — koji drže čestice razdvojenima i sprječavaju ponovnu aglomeraciju Tekući medij — koji omogućuje da se pigment ravnomjerno rasporedi kroz materijal koji se boji još prije nego što taj materijal počne vezati ili sušiti Kada se tekući kolorant doda u vodu za miješanje (npr. kod gipsa, betona, žbuke), pigment je već u idealnom stanju disperzije. Svakom dijelu smjese ravnomjerno se isporučuje ista količina pigmenta. Efekt boje je stoga mnogo intenzivniji nego kod suho miješanog pigmenta — uz znatno manju ukupnu količinu pigmenta. Ista logika vrijedi za boje i lakove: pigmentne paste i disperzirani pigmenti daju bolju pokrivnost i ravnomjernost boje od pigmenata koji nisu prošli proces disperzije.
6. Praktična primjena — primjer gipsa
Gips je zahvalan primjer jer ilustrira sve navedene principe odjednom. Budući da ima nizak indeks refrakcije (~1,52), nije pravi bijeli pigment — u smjesi s vezivom ne pruža otpor bojanju. To znači da mala količina crnog pigmenta može lako i ravnomjerno obojiti gipsanu masu. Zašto se onda mnogima događa da moraju dodati veliki udio pigmenta u odnosu na masu gipsa? Jer pigment miješaju u obliku praha direktno u prah gipsa. Aglomerati pigmenta (posebno Fe₃O₄ ili carbon black) ostaju netaknuti, raspodjela je neujednačena, i rezultat je razočaravajući. Zaključak "treba više" je pogrešan — treba bolje.
Ispravni postupak:
Kolorant (ili pigment dispergiran u vodi) dodati u vodu za miješanje Dobro promiješati vodu s kolorantom Tek tada dodati gips i miješati do homogene smjese Na taj način pigment bude raspoređen kroz cijelu masu još prije nego gips počne vezati. Rezultat je ravnomjerna, intenzivna boja uz višestruko manju količinu pigmenta nego pri suhom miješanju. Za one koji nemaju pristup profesionalnim kolorantima, dobra alternativa su tekući pigmentni dodaci dostupni u trgovinama građevinskih boja — najčešće u obliku malih bočica namijenjenih nijansiranju zidnih boja. Radi se o istom principu: pigment je već dispergiran u tekućem mediju s aditivima koji sprječavaju aglomeraciju. Dodani u vodu za miješanje, daju ravnomjerniji rezultat od pigmenta u prahu uz znatno manju količinu.
Zaključak
Intenzitet i ravnomjernost boje u nekoj masi ne ovise samo o količini pigmenta — ovise o tome koliko je taj pigment dobro dispergiran. Prah pigmenta miješan u prah drugog materijala gotovo uvijek daje lošije rezultate od pigmenta koji je prethodno dispergiran u tekućem mediju, uz prisustvo dispergirnih sredstava. Kada se susretnete s problemom "pigment ne boji dovoljno", vrijedi si postaviti pitanje: nije li problem u načinu na koji je dodan — a ne u količini.
" ["created"]=> string(19) "2026-05-04 12:54:47" ["modified"]=> string(19) "2026-05-04 20:10:17" } ["Member"]=> array(10) { ["id"]=> string(3) "108" ["group_id"]=> string(1) "2" ["first_name"]=> string(5) "Dunja" ["last_name"]=> string(6) "Singer" ["first_name_mask"]=> string(5) "dunja" ["last_name_mask"]=> string(6) "singer" ["username"]=> string(5) "Dunja" ["password"]=> string(40) "772414a5d6b32309f32f46e9009f1e550809c62d" ["born"]=> string(19) "2006-01-01 00:00:00" ["created"]=> NULL } } Dunja Singer, 4th May 2026 - We visited: Warhammer World – pt.3 Ivan Vedak, 4th May 2026
Latest battle-reports
- Kill Team - Blooded vs. Vespid Stingwings 28th February 2025, GW - Warhammer 40.000, and Antoni Pastuović (Imperial Guard)
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