Uploaded November 2021 | Updated September 2026, 4 hours ago

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Ever wonder how a cosplayer architects a crazy project? :D Descend into madness as we walk through the full process of how we created Princess Bubblegum's transparent resin sword! This was a huge prop to figure out how to construct, so we hope you enjoy this overview of the challenges, the construction, moldmaking and resin casting basics, and the final reveal!

Timestamps below. Construction begins at 5:07

0:00 Introduction to danger
1:07 Resin and drafting the mold blueprint
5:07 Sculpting the master
6:54 Making the mold
9:10 Pouring and de-gassing silicone and resin
11:38 The stripe pour spouts
13:55 Clamping the finished mold
15:04 Pouring the resin
16:40 Demolding the finished sword

Princess Bubblegum cosplay photograph by Sorairo_days

Find more of our Princess Bubblegum photos and progress at:
instagram.com/cowbuttcrunchies
facebook.com/cowbuttcrunchies

More of our cosplay: cowbuttcrunchiescosplay.com/​​​

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Materials used in this video:

Smooth-On Rebound 25: smooth-on.com/products/rebound-25
Smooth-On Smooth-Cast 327: smooth-on.com/products/smooth-cast-327
Smooth-On So Strong (white, red): smooth-on.com/product-line/strong