Gravitrax Color-Changing Light Block

Gravitrax Color-Changing Light BlockGive your GraviTrax track extra atmosphere with these color-changing light blocks. Each block contains a Bambu waterproof tea-LED, and the lights are easy to control with the included remote. Perfect for making your track really stand out in the dark.Why these special support rings?With many GraviTrax parts you normally have to use supports, or print the model in two pieces and glue it together. That often leaves a less clean surface.So I designed a different solution:PLA does not bond to PETG (and vice versa).Using this principle, I created reusable support rings that you place during printing. These rings eliminate the need for normal supports and keep the visible surfaces smooth and well-finished.After printing, let everything cool down completely. Then the rings can be removed easily by gently wiggling them, or by sliding something thin and sharp in between (for example a fingernail or a scalpel).If you print the rings in a contrasting color, it’