The E5 blaster used by billions of B1 Battle Droids during the Clone Wars
This blaster has been separated into 20 pieces for ease of printing, assembly, and painting. A full version is included as well. It has holes pre-cut for a 1/4" diameter wooden dowel to run through to middle to provide strength to the printed pieces.
It also has a 2mm hole cut through the top bar which can be reinforced with a metal rod.