No matter how good a 3D printer gets, you’re always going to have visible print layers. Even with very high-quality prints with sub-0.1mm layer height, getting a shiny and smooth finish of in… ...

The method involves heating acetone until it forms a vapor, then exposing ABS parts to the vapor. The method only works with ABS, but creates some good looking results.

ABS-based printed parts are placed in the jar with the acetone and heated to 90 degrees Celsius on the hot plate. Acetone has a low evaporation point, but is heavier than air so the process ...

Acetone behaves differently with plastic, ... According to the Open3DP website run by the University of Washington, plastics such as ABS (which legos are made of) ...