A sphere mini for Deep Madness the boardgame. It is hollow to allow for led lights inside of it. i used a 60mm LED coaster inside mine. I made it fairly large but you can always scale it down if you prefer.

Tendrils from another model: https://www.thingiverse.com/thing:6373207

Coaster like mine: https://www.amazon.de/-/en/Coasters-Luminous-Waterproof-Parties-Weddings/dp/B0D2D7TF48/ref=sr_1_40?crid=3SV0SKFGSMJVT&dib=eyJ2IjoiMSJ9.LEX56ylYaZDRDzcbcZXz7qXKa4f68lQnR4xkb0iMLWDI1e-NT28sGzXP_b4eJ47gvbDcl7CVsat9x-g_zK6fX8Uqf4RNM__MaAYfNMJ31ZPTIfUYifaQsSGJ85FRJzZwfcIko7TziRp855DAul887pdP1iupjSti-wxtWl60vEbeTmCTYX0FUtc5fQ1Zxk4Y8wTA3hLXT7HsuXDavxjVTD7fcAZ6jiTA0PZOnuwOji94PgoEuIkk5-CkUVk-yGRS2HLgxLYU9w5DN1y0lsDnfYYHxGYeB0e_LeOoTRZ3hp0.RKTxpCa5zufHG1JMBxl-wmne7ZDdsb06oRFk-huWYvQ&dib_tag=se&keywords=cocktail+led+coaster&qid=1726914368&sprefix=cocktail+led+coaster%2Caps%2C99&sr=8-40