Potato Ricer

Low Cost PLA printed potato ricer. To be used to extrude boiled potatoes. Made as 4 main parts and 3 printed fasteners.

This page was part of an MTU course MSE4777 OA and MSE4777 OB/MSE5777/EE4777/EE5777: Open-source 3-D printingPlease leave comments using the talk page. The course runs in the Fall semester. It is not open edit.Read more...

OSAT Potato Ricer (Extruder)

Project developed by Caaukee (talk) 13:30, 5 December 2016 (PST)

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Abstract

1. This design is a 3D printed potato ricer. Potato ricers work by extruding cooked potato (or possibly other starch rich foods) through small holes. This creates a lighter fluffier finished product than conventional mashing. This works by trapping air along with the potato during extrusion. The design is appropriate technology because commercially available equivalents range in price from $15-$30 USD. The availability of this design to be 3D printed could help raise the quality of life in developing countries by supplying a low cost food processing device. The design has been prototype, tested, and redesigned several times to ensure it can handle the significant pressure and bending forces during the extrusion process while not using excessive material.
2. Picture of completed Ricer

   

Bill of Materials

1. Provide a full BOM -- Materials needed for fabrication of device and alternative materials if they are not available, prices/sources of non-printable parts
   1. Upload and link to all source files from open source CAD
   2. Upload and link to all STLs

Tools needed for fabrication of the OSAT

1. MOST Delta RepRap or similar RepRap 3-D printer

Technical Specifications and Assembly Instructions

1. Print all parts at desired scale (0.75-1) recommended. Infill of 20% minimum with 2mm shell thickness required. Assemble all parts to form system shown in pictures. Some sanding of pins and reaming of holes may be required to allow insertion.

Boil potatoes 25 min, remove skins. Put potato meat into bowl of ricer, and depress lever with significant force. Place a bowl under ricer to collect the riced potatoes. Mix in with desired seasoning, milk, and butter. Lightly stir the mix until uniform.

1. Print time 9 hours
2. Assembly time 5 min
3. Including drawings or pictures of the device at stage of assembly at minimum. (http://www.appropedia.org/Special:Upload)
4. Consider video if appropriate

Common Problems and Solutions

• Lightly sand perimeter of piston to allow for smoother operation.

Cost savings

1. Cost estimate $2.00 PLA filament for full scale
2. [1] Commercially available ricer $31.57
3. $31.57 - $2.00 = $29.57 savings or 93.4%

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Based on the developmental needs addressed (e.g. food, heat, electricity, clean water, health care, etc.) be sure to label your device in the proper categories e.g. use [[Category:Water]]. Be sure to categorize your device so that it will be easy to find – for example “Low voltage connection basics” is categorized in [[Category:How tos]] [[Category:Electricity]] [[Category:Electric lighting]].