Sionnach Studios

Sionnach Studios Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Sionnach Studios, Arts and entertainment, Renton, WA.

Sionnach Studios is a Seattle-based costume, prop, and set design and fabrication studio helmed by award winning artists Heather Robb (The Feathered Hart) and Will James (Billythebrick Cosplay).

06/10/2026

Quick walkthrough of how we did our faux neon Star Wars light inspired by Shakari in and Grogu.

When your wife says ‘I want a neon sign for my room like Shakkari,’ you make her a ‘neon’ sign for her room! Just a few ...
06/01/2026

When your wife says ‘I want a neon sign for my room like Shakkari,’ you make her a ‘neon’ sign for her room! Just a few more small tweaks for it to be done but really happy with how this idea come together!

The Fetes Galantes at Versailles may be over, but  yearly Georgian Salon evening is just on the other side of summer Oct...
05/25/2026

The Fetes Galantes at Versailles may be over, but yearly Georgian Salon evening is just on the other side of summer Oct 3rd in Seattle.
The weekend is filled with opportunites to join in on the fun with a luncheon, panel discussions, demonstatrions, guest speakers, dancing lessons and more, followed by the evenings capstone Soiree.
If, like us, you enjoy historical reenactment and good company, we hope that you'll join us!

May the Fourth Be With You!
05/04/2026

May the Fourth Be With You!

To celebrate Star Wars Day, all Star Wars products (physical and digial) are 15% off now through Revenge of the Sixth (May 6th). The discount is automatically applied in your cart, no need for a coupon code!

We love a good, easy to wear costume so thank you  for designing such a comfy look for the Lina Soh Hospital staff 😁We j...
04/17/2026

We love a good, easy to wear costume so thank you for designing such a comfy look for the Lina Soh Hospital staff 😁

We just finished our first run of these and are very happy with how they turned out! Custom dying 70 yards of fabric by hand was not on our bingo card for this year but we did it! 😅

Kleya is our favorite live action badass and we have several more Kleya projects in the works as well!

Are you participating in the  Cosplay Contest this weekend? All winners will be receiving a gift card from Sionnach Stud...
04/02/2026

Are you participating in the Cosplay Contest this weekend? All winners will be receiving a gift card from Sionnach Studios (between $10-50)! Gift card is good towards any digital or physical items in our shop.

This is a really great illustration of why doing dye tests and not relying on eyeballing it is so important!Top: what th...
03/21/2026

This is a really great illustration of why doing dye tests and not relying on eyeballing it is so important!

Top: what the fabric looks like in the dye bath to get to
Bottom: fabric out of the dye bath.

In the dye bath it looks WAY too green but we did a bunch of tests on swatches ahead of time to ensure we got the desired end result.

Address

Renton, WA
98058

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