If you would like to:

-> Purchase some Case-Ons, please visit our shopping page.

-> Submit an Onstruction, please visit our Onstruction page and click "Submit".


For interested distributors/stores: Email us at

For artist submittals (no Onstructions, please): Email us at

For all other inquiries, email us at



Case-Ons is the initial product offering of an "indie" engineer (Hojjer, LLC), with development assistance from Daedalus Excel Inc. and funding, in part, by Kickstarter community support. Online sales commenced Earth Day 2011 and Case-Ons are currently exhibiting at various arts, crafts, and invention shows throughout Pittsburgh and Baltimore areas. Check the shop for upcoming local events and stay tuned for additional awards and recognitions.


© Copyright 2012
Product of Hojjer Designs, LLC
Patent Pending