Figured out a plan to construct a macrovirus, but how to make a nerf gun into a phaser rifle? 🤔 I don't I think I can construct a whole phaser rifle or of cardboard.

thewoodlandelf.com/patterns/sta...

Free Star Trek Phaser Templates

These are the templates for multiple phasers from the Star Trek universe. Select the phaser template you wish to download. Star Trek TOS Phaser Template – Click here to download – This is the template...

PVC foam sheeting is a cosplayer's best friend. You might be able to build a shell around the parts of the gun you need to change while leaving the parts you don't exposed.