Team HERDD
Project Overview
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Fire Hydrant Cup
Pi Baking Pan
Individual Pages
Hao
Ellann
Ronan
Donald
Daniel
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The following three images are looks-like models of the Pi-pan baking dish. A solid model was created in Solidworks and 3D printed in ABS plastic. The model pan is approximately half scale, roughly 6.5 by 6 inches. The actual pan will be approximately 11 by 10.25 inches to have the same approximate surface area of the bottom of an 8 by 8 inch baking dish. The corners are filleted and the sides have a 3.5 degree draft angle to maximize bake good removal. 
 
This diagram shows the relative size of various size Pi-pan baking dishes. This was useful to find the best dish size to replicate a standard size baking dish, while at the same time being a reasonable size to bake and transport. The 11" version appears best. The larger sizes were just too large, while still having a smaller bottom surface area than a 9 by 13 inch baking pan.
These two images are full scale 11 by 10.25 inch foam models that were used to template the foil baking pans used as the bakes-like model to test bake several batches of brownies. These were cut from 2 inch foam. The draft angle between the top and bottom of the pan was 3.5 degrees to help facilitate easy removal of the baked good after cooking.
 
The next two images show the bakes-like aluminum foil Pi-pan created around the foam template. Recreating all the small curves of the foam model proved challenging in foil, although this will not be a problem in production whether the final choice of producing this product is in silicone rubber or stamped aluminum/steel. This working model allowed us to test the evenness of the baking process.
 
These final two images are the first test bake using the Pi-pan to bake brownies. The first image is of the brownie in its natural state, still in the aluminum foil pan. The second image is of the brownie frosted with Kahlua icing. The chosen Pi-pan dimensions create a surface area of approximately 61 inches square, which is almost the size of an 8 by 8 baking dish. The cooking time for this foil Pi-pan design, was between the 8 by 8 and 9 by 9 inch baking dish cooking times.
 
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