What do I need to bear in mind when paint­ing a por­ous ob­ject that’s wet?

ImagineFX - - Imaginenation Artist Q&A -

Eric Hands, Ger­many

Nick replies

Tex­tiles and other por­ous ma­te­ri­als tend to look more ob­vi­ously dif­fer­ent when they be­come wet com­pared to hard sur­faces, whereas wa­ter­proof sur­faces may ei­ther be­come dot­ted with wa­ter droplets. Fab­rics and other ab­sorbent sur­faces of­ten show their wet­ness by a change in tone. A lot of fab­rics tend to look darker where they have been made wet, but like ev­ery rule there will be ex­cep­tions. Let’s take bis­cuits as an ex­am­ple (al­ways a plea­sure, es­pe­cially if you’re a self-con­fessed dunker like me when you have a cup of cof­fee in the other hand). Ginger nuts are a great ex­am­ple. If you dip an edge into the drink long enough, you should see a darken­ing in tone (but don’t leave it too long or you lose por­tions into the drink). It may also glint where the light catches it if very wet.

When it comes to fab­rics, the best ad­vice I can give is to is al­ways to look at real ma­te­rial to see what hap­pens. That’s not an in­vi­ta­tion to throw wa­ter over peo­ple with­out ask­ing, of course! Thick fab­rics be­come very heavy when soaked and their form shows that. Pat­terned fab­rics may dis­play dif­fer­ent lev­els of re­ac­tion to the liq­uid de­pen­dent on an area’s par­tic­u­lar qual­i­ties. This fab­ric may be­come translu­cent (par­tially see-through). The ef­fects aren’t al­ways glar­ingly ob­vi­ous, so try not to overdo it.

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