About Petranek Designs

Hey there! I’m Chuck, a designer, artist/maker and a lifelong TMNT fan. Like many of you, I grew up playing with the classic TMNT toys, imagining epic battles and underground adventures. But as I got older, I realized there was room for more!

That’s how my Sewer Playset Expansion was born. Using 3D printing and vapor smoothing, I create detailed, high-quality add-ons that seamlessly blend with original vintage playsets, bringing that nostalgia back to life. Every piece is designed with care and made for collectors who love their displays as much as I do. I hand finish each piece so they are all unique pieces of art. These inspired art pieces are meant to add on to playsets that you already own.

I'm a tiny production working out of my garage so please be patient as I try to work to keep items in stock.

I also offer accessory kits that let you customize your setup with pipes, ooze drips, and streetlights. Every good lair needs a little extra character!

Whether you’re here to upgrade your collection or relive your childhood, I’m stoked to share these creations with you. Thanks for stopping by, and Cowabunga!

P.S.- Make sure to join my mailing list for updates on sales and upcoming products!