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In this HowTo you will learn how to print a 3d object on the RapMan. | In this HowTo you will learn how to print a 3d object on the RapMan. | ||
==Creating 3d objects== | |||
For help on what software to use please look at the [[GMU:RapMan#Links|links]]. | |||
There are a few guidelines you should keep in mind when desinging objects for the 3d printer. | |||
* You can't print steeper slopes than 45 degrees. | |||
* Solid walls must have a specific thickness, currently we are limited to 0.5mm, 1mm, 2mm, 3mm... Any x.5mm will result in hollow walls. '''This limitation is only verified for 1.5mm, I'm not sure how it is with 2.5mm and will test it. --[[User:Matthias.breuer|Matthias.breuer]] 10:21, 14 August 2010 (CEST)''' | |||
* When parts must fit into each other design with a tolerancy of ~0.5mm. A hole with a 3mm diameter will not have a 3mm diameter when printed, so a part fitting into a printed 3mm hole should only have a ~2.5mm diameter. | |||
==Before you print== | ==Before you print== | ||
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Before touching the printer make sure you have at least once read the manual and then contact [[User:Sebastian|sebastian]]. A printed version of the manual is somewhere around the printer. If it's not, go and [http://www.bitsfrombytes.com/index.php?option=com_content&view=article&id=80&Itemid=100009#Documentation download it (Under RapMan Version 3.1 Manuals chose Operations Manual)]. | Before touching the printer make sure you have at least once read the manual and then contact [[User:Sebastian|sebastian]]. A printed version of the manual is somewhere around the printer. If it's not, go and [http://www.bitsfrombytes.com/index.php?option=com_content&view=article&id=80&Itemid=100009#Documentation download it (Under RapMan Version 3.1 Manuals chose Operations Manual)]. | ||
The are a few things you have to do before actually printing your object. You have to chose the right filament to print with, you have to export your 3d-model to the right format and you have to check the printer for parts that might have become loose during a previous print. | The are a few things you have to do before actually printing your object. You have to chose the right filament to print with, you have to export your 3d-model to the right format and you have to check the printer for parts that might have become loose during a previous print and check that the filament spindle unrolls easily. | ||
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====Using Skeinforge==== | ====Using Skeinforge==== | ||
===Checking | ===Checking the printer and filament spindle=== | ||
[[File:RapMan_HowTo-loose-screw-locations.jpg|right|thumb|Some locations where screws might loosen]] | [[File:RapMan_HowTo-loose-screw-locations.jpg|right|thumb|Some locations where screws might loosen]] | ||
During the printing process parts might become loose. Mostly these are the screws on anything that is moving. Some places you should check are the screws of the x- and y-stepper motor pulleys and the screws of the extruder gears. Also check if the belts are tight enough. Loose parts will make your print look ugly. | During the printing process parts might become loose. Mostly these are the screws on anything that is moving. Some places you should check are the screws of the x- and y-stepper motor pulleys and the screws of the extruder gears. Also check if the belts are tight enough. Loose parts will make your print look ugly. | ||
Also don't forget to check that the filament spindle unrolls easily. If this isn't the case the filament got entangled and you have to manually disentangle it. | |||
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