Hardware Store (HS) Extruder
This is a variation on the extruder design (sans heater at the moment) that can be made from elements found at a common hardware store. Total cost for the extruder without the drive motor or any electronics is approximately $20.
Bill of Materials
(1) Flat Bar Stock -- 1/8" x 1/2" x 8"
(2) U-Bolt (stainless steel) -- 1-1/4" x 1"
(2) 608 Skate Bearings
(1) Vynil Aquarium Hose -- 1"
(2) Angle Bracket -- 2" x 2"
(1) Bolt -- 1/4-20 x 1/2"
(1) Nut -- 1/4-20
(1) Shoulder Bolt -- M6 x 5
Tension Bearing Bracket
<More to come!>