Extendable Arm + Magnifying Glass Holder

So I decided to design and print an arm with a holder for my magnifying glass which I got ages ago (roughly 20+ years ago?). Diameter of my glass is roughly 88mm. If any of you would like to remix this for your own item, please go ahead. Having this helps me in my post processing.

Things that can be improved in the model:
1) a ring light around the glass, or something akin to it
2) a potential turntable for the base; unfortunately the set is kinda heavy so the turntable needs to be able to