Next Previous Finishing the mold by Heinrich Grümmer 19. June 2016 building Tweet Pin It After a lot of sanding and filling, the mold was ready to receive paint. More putty was used after the first paint job, to get rid of the ribs structure and the finished mold is covered in wax to make sure the hull does not stick to the surface. Share this:Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to share on Pinterest (Opens in new window)