zdesign: NPR

1 - From 3d model in Sketchup, save same size jpeg file format.

2 - From 3d model in Sketchup again, Render same position of camera angle with override material.

(showing all the light and sun illumination)

3 - Open photoshop, then overlay the jpeg file format from sketchup to jpeg override render.

4 - Open Fotosketcher and load the output overlay images then select watercolor effect.

5 - Add frame in Filter Forge for more realistic water color effect. Voila!

Hope it helps . . . check also my first tips HERE

Non-photorealistic rendering (NPR) is an area of computer graphics that focuses on enabling a wide variety of expressive styles for digital art. In contrast to traditional computer graphics, which has focused on photorealism, NPR is inspired by artistic styles such as painting, drawing, technical illustration, and animated cartoons.

npr's collection

TIPS AND TRICK . . .here's my method and series of images :)

step 1 - save scene view - try to capture a nice view point from sketchup showing all the textures, lines and transparent materials...etc.

https://c4.staticflickr.com/2/1472/26473586011_f74518ec37_h.jpg

step 2 - render override materials with lights "same view" - here i just want to take all the bouncing effect of lights in shaded model . . . :) cheating

https://c5.staticflickr.com/2/1674/26266775900_59aa8bf1d1_h.jpg

step 3 - merge step 1 and step 2 in photoshop using multiply "try to experiment" - here's an output after putting some layered effect, adjust brightness/contrast, etc. :)

https://c2.staticflickr.com/2/1539/25936743873_7f365e2f04_h.jpg

step 4 - add some bloom effect and color adjustment - after adjusting brightness/contrast in photoshop add more empty layer for light bloom effect by selecting all the lights that you want to add, fill with white color, then "ctrl+D" to deselect or to remove the selection, then add gaussian blur effect to produce bloom effect.

https://c2.staticflickr.com/2/1717/26473584561_2cfcb42a13_h.jpg

step 5 - convert to water color or oil effect - open fotosketchers, open output of step 4 and load the parameters "watercolor or oil painting" effect...save and that's it :)

additional drama - adding faded washed frame maybe for more added attraction - using plugins "filter forge" select water color frames, adjust the frame pixel then that's it