3D prints destined for presentation need smooth surfaces, and that usually means sanding. [Uncle Jessy] came across an idea he decided to try out for himself: spraying Bondo spot putty onto a 3D print ...

You’ll see a significant reduction in sanding time, with most of the filler bondo work completed in under 40 seconds. 4. Finishing Touches: After the filler has dried and the sanding is complete, we ...

Before I get rolling, I want to clear up one thing: Bondo is a brand name, though it's commonly used as a general description referring to any and/or all body fillers-kinda like Kleenex is to tissues.