This is a crystal lamp I made in 123d autodesk, don't use this for commercial stuff ect.
Print all the parts and then just slide the crystal part into the base and secure it with glue, I used gorilla glue and its holding up well. Afterwards this is optional in my opinion but you can glue the base ring to where the crystal meets the base, I think it looks better that way.
NOTE: make the base slightly larger than the crystal or it won't fit. you have been warned.
Doesn't Matter (better resoloution better print)
Crystal(1-10%) Base/Ring(I did 30% but anything above 15% should be good)
When I printed everything I scaled it up 60%.
I put a raft on the main base because i printed it downside.