There’s even a product specifically for this purpose: XTC-3D by Smooth-on. However, I happened to have access to the syrup-thick UV resin from an SLA printer ... UV LED light to visualize ...

He’s already used a 3D printer to do some light painting, and now he’s doing it in color. This build is an extension of an earlier project we saw that used a white LED to draw pictures within ...

You also use the dial to control the very nice LED lighting ... print-head's nozzle. If it's not set correctly, the printer won't produce an object which accurately reflects the 3D model.

For example, the mainstream Ender-3 V2 is considered a great 3D printer for under $300 ... one that supports higher temperatures, adds an LED light strip to the top, upgrades the flexible surface ...