{"id":64995,"key":"Obvious_3D_printer_technology_based_on_34._Rejecting_and_regenerating_parts","title":"Obvious 3D printer technology based on 34. Rejecting and regenerating parts","latest":{"id":1208821,"timestamp":"2025-11-28T00:55:58Z"},"content_model":"wikitext","license":{"url":"https://www.appropedia.org/Appropedia:Copyrights","title":"CC-BY-SA-4.0"},"source":"{{777 notice}}{{TRIZ-3D}}\n\n# Detect part failure [[User:Swallen|Swallen]] ([[User talk:Swallen|talk]]) 07:34, 3 December 2015 (PST)\n## Using vision processing to detect print failure\n### '''Use a green-screen to measure the printed part outline, then compare to a render of the .stl from the same perspective to detect print failure'''\n#### Use two cameras from perpendicular perspectives to ensure complete failure detection\n## Using a proximity sensor on the head to detect head positioning failure\n## Measuring the weight of the bed to detect extrusion failure\n## Using a limit switch to detect filament breaks\n## '''using a gripping wheel and an encoder to detect filament jams'''\n# restart print at point of failure when possible [[User:Swallen|Swallen]] ([[User talk:Swallen|talk]]) 07:34, 3 December 2015 (PST)\n## Detect where the print left off so it can be restarted from that specific layer\n### Use vision processing to measure height of printed part\n### Guess last successful layer based on the point where a failure was detected\n### Use weight of print bed to measure where the failure occured\n### Use the print head to measure the part height\n#### Use a touch probe on the print head to measure the height of the printed surface\n#### '''Use a proximity sensor on the print head to measure the height of the printed surface'''\n## Restart print from the exact point in the gcode where the point left off\n### Find the failed layer in gcode, and start a new print starting at that layer\n# Fix failed portions of a print [[User:Swallen|Swallen]] ([[User talk:Swallen|talk]]) 07:34, 3 December 2015 (PST)\n## Remove excess or failed material from print\n### Use a hot surface to burn away excess material;\n### Use jets of hot air to burn away excess Material;\n### Use a solder-sucker type device to remove failed or excess material\n### use a solder tip to scrape excess material away\n## Reshape failed portions of the print\n### use a solder tip to physically reshape failed parts of a print\n## Reprint failed portions of the print\n### give the print head more degrees of freedom so it can reprint failed overhangs\n# Removed the failed print from the bed to clear space to try again [[User:Swallen|Swallen]] ([[User talk:Swallen|talk]]) 07:34, 3 December 2015 (PST)\n# Stop print after failure before catastrophe [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# Recognize skipped layers [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# stop print if clogged nozzle [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# clean out clogged nozzle [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n## with physical means[[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n## chemical means [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# reusing support structures within same print [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# cut away failed overhangs and reprint [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# if part fails, knock off bed with end effector and restart print [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# melt bottom into base using too hot bed for brief time to adhere to bed better [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# cold printing with water [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# print very complex ice structures [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# print the perfect murder weapon, ice blade that melts after use [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# using ice as support structures [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n# self healing printer, if part falls off, it prints new one [[User:Ldstetsk|Ldstetsk]] ([[User talk:Ldstetsk|talk]]) 07:50, 1 December 2016 (PST)\n\n{{Page data\n| license = CC-BY-SA-3.0\n}}\n\n[[Category:4777 TRIZ 3D printers]]"}