Đồ Chơi Cần Gạt Bắn Bolt

this is just a fun thing to fidget with, print all parts standing up (position image).

the small version is about the same width/length as your index finger 
tolerances for the (original) full and mini versions are set at 0.15mm, quality settings on accurate machines should clear 

print body in the same orientation seen in the image

The endcap will need some glue to hold it on

shells/perimeters-3

layer height-0.10mm-0.20mm

speed--quality/slow

brim-yes

gluestick-recommended

low-speed settings!

if the fit is not right you can modify the step files.