Also check out my LED notebook stand: https://makerworld.com/en/models/171817#profileId-188631

I recommend white or clear PLA / PETG for the crystal.

Necessary Hardware:

• 2 M3 Screws 10mm long
• 2 M3 inserts. Mine are 4 mm high, 5 mm in head diameter. Size of wholes is 4.5mm, maximum depth is 8mm. I bought these but any same size should fit: https://www.amazon.de/dp/B0BTYF2MMD?psc=1&ref=ppx_yo2ov_dt_b_product_details
• LED strip 10mm wide. Should not get too hot, i have a RGB with 12 Volt
• LED controller, mine has wifi and some cool effects like pulsating or color fading. https://www.amazon.de/gp/product/B07JC7725K/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1