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Harbor Freight 10x12 Greenhouse Modification (patent pending) Video Here: youtube.com/thirtyonecrafts Some of the items we designed and 3D printed for our greenhouse build. The Harbor Freight Greenhouse Modification is perfect if you haven't built your greenhouse yet. For a step-by-step guide on how to use these items and other helpful tips during your build, check out our YouTube video. Our video is very detailed and is separated into chapters for easy navigation. Our build video: https://youtu.be/_5JKp4crMHE If you have already constructed your greenhouse and you want to avoid worrying about the panels, we offer a spacer-only mod kit. Are you needing to just inject silicone into your panel? We have that tool too! Quantities are based on the Harbor Freight 10x12 greenhouse product. If you need different quantities or something else custom, please send an email to info@thirtyonecrafts.com Below are Amazon links for the additional items we used during the construction of our Harbor Freight 10x12 Greenhouse. All the items we designed and 3D printed for our greenhouse build. This 3D printed kit will take around 24 hours to complete. If it is currently out of stock, we will have more available soon. We appreciate your patience and understanding. Quantities are based on the Harbor Freight 10x12 greenhouse product. If you need different quantities or something else custom, please send an email to info@thirtyonecrafts.com This kit includes the following items. 60 - Center Panel Spacers (Patent Pending) Used when securing the center of panels to the horizontal bars. *** 55 Total Needed *** 4 Front Panels (none in the door panels) 12 Roof Panels (none in windows/vents) 15 Back Panels 12 Left Panels 12 Right Panels 70 - End Panel Spacers (Patent Pending) Used for securing the ends of panels to thin strips on the frame. *** 61 Total Needed *** 7 Front Panels 6 Back Panels (2 at bottom center either side of base channel splice) 12 Left Side Panels 12 Right Side Panels 24 Roof Panels (none in windows/vents) Silicone Tube Tip Tool (Patent Pending) Used to help put silicone into the ends of the panels, takes a little practice We send 2 so you don't have to worry about cleaning them up, just toss them in the trash. 2- Silicone Tube Tip Tool Harbor Freight Greenhouse Modification Links to the other items we used in our build: Qty Link 2 Glazing Clips 100 Pieces 9 Duck Brand Foam Weather-strip 10 Frost King 1/2" Rope Backer 2 #8 x 3/4" Self Piercing Screws 2 #8x1/2" neoprene Washers 1 Gorilla Clear Silicone Caulk 6pk Disclaimer: We offer no warranties nor guarantees that these items will prevent any damage to your greenhouse. It is also understood that these items will be used at your own risk and liability. These pieces are small, so please keep them away from small children.
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🇺🇸 Ship from USA · On Agora since 2026
$49.99