Simply insert a bic ink infill and your good to go

I was captivated by the 'magic' of dual-threaded diamond screws, with their mesmerizing, counter-rotating spin. My vision was to capture that magic and embody it in the ultimate fidget pen.

Simply insert a bic ink infill and your good to go

To ensure smooth operation 0.12 Layer hight is required

Supports are needed and are turned on in the profile

Print in PLA, I haven't been to successful with PETG