Nerf Deadpool Kronos - Dual Wield Attachment

Got the Nerf rival deadpool kronos XVIII-500, like many others, I would like to dual wield them, however there is not easy way. Therefore I 3D modeled a sample attachment to made dual wielding the Nerf rival deadpool kronos XVIII-500 easier.

https://youtu.be/O-JhLYnrxrM

I used the free software "designspark mechanical" to do the modeling and had included the source file for the model, the file with extension ".rsdoc".