Seed Eco-Home 3D Printing Substitutions

For many, UV resistance must be addressed in outdoor environments. Coatings and protection can include:

• UV inhibitors in plastic
• Gravel (roof)
• Physical protection
• Cement coat
• Paint and other UV coat
• Sacrificial material - sufficient thickness
• Metal or wood cladding
• Use in interior or behind walls

Building Materials - Siding

• Drip cap - 2" now used at base of SH6-7 - about 13 sections at $7 or $100 - [1]
• Metal siding closures - about 40 for $60- [2]
• Gutter Clips - 8 in SH7 - $16 - [3]

Electrical

• Wallo access panels - 3 - $30 [4]
• electrical boxes - 30 or so for $120 [5]

Electrical Service Entrance

• Boxes are Plasma cut from thin steel or stainless, and folded. Small welds are done as needed.
• 3D printed insulators are used
• Teminals use CuAl and made from ZnAl alloys?
• [2] 2" bushing $4 [6]
• 2" electrical conduit
• 3" electrical conduit for service entrance

Plumbing

• 2" PVC pipe @$7 for 10' [7]
• [2] 2" union $20 [8]

Tools

• Dewalt battery - 8 of them per event at $50 - $400 saved based on lifetime design
• Cordless Blower - $15 - [9]
• Cordless heat gun - $40 [10]
• Gunnie - 24 - or $200 [11]