This is a remix of the medium shroud for the nerf 3D printed blaster called the Multi-Tool. Files can be purchased on Etsy at Multi-Tool. The design is done with a herringbone pattern both in the middle only and on all the faces that looks intersting and helps remove some filamnet from the overall model. The files and overall design are not mine.
Test the files before printing the whole thing. The spines are roughly 3 or 3.5 mm wide and should be strong enough for use (obviously not extreme abuse) but it is a semi tight tolerance so test first. Also go slow to avoid extra minor clean up filing for those perfectionist out there.
The shroud also has a less space in the gap where the pump grip slides to reduce wobble so test that as well if you convert the blaster from bolt action to pump and make sure its not to tight for your use.
The author hasn't provided the model origin yet.