Bracket for 80mm fresnel lens
thingiverse
To assemble this DIY projection cooker, a straightforward way is to mount an 80 mm round Fresnel lens onto a bracket. One great option available on eBay is specifically designed for this project: "Diameter 80mm Fresnel Lens DIY TV Projection Solar Cooker High Light Condenser" (191457342889). The distinct shape of this round Fresnel lens gives it extra rigidity, in contrast to the thinner rectangular ones often found on similar projects. OpenSCAD can be used to modify and personalize the bracket's design for optimal use.
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