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Coffee Cup

by BennyL, published

Coffee Cup by BennyL Jan 24, 2017

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123D Design

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Thing Statistics

604Views 199Downloads Found in Kitchen & Dining

Summary

This is a fully functional (~8oz) coffee cup. See the Post-Printing section for recommendations on how to heat treat.

Make sure you use a filament that is made from FDA food safe materials (such as ProtoParadigm $5 Filament).

The vertical lines visible in the pictures slightly make it look like the mug has flat sides, however, that is actually the infill. The cup is smooth all the way around.

View it being printed here (turn down speakers if you don't want to hear music) - https://www.youtube.com/watch?v=i5gC_NHcDe8.

Print Settings

Printer Brand:

Rostock

Printer:

Rostock MAX V2

Rafts:

No

Supports:

Yes

Resolution:

0.2


Notes:

The amount of infill is up to you. More infill will result in a heaver cup. You could probably get away without using supports -- the only reason I printed with them is to make sure the arcing spots in the handle turned out.

Post-Printing

In order for this cup to be safe to drink out of you'll need to use a filament made from FDA approved material(s) -- such as ProtoParadigm $5 Filament.

You will also need to heat treat it by boiling or baking it. The cup included in the pictures section was heated in a 230F oven for 12 minutes (per ProtoParadigm recommendation). There are several resources online that discuss how to "anneal" PLA to improve it's Heat Deflection Temperature (HDT).

Some warping might occur when heat treating. Based on experience, baking it resulted in less (barely noticeable) warp than boiling.

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Did you see any shrinkage from heat treating?

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