This hack can refill your Stratasys 3D printer

[Dan] has his own Stratasys Dimension SST 768 3D printer. It’s a professional grade machine which does an amazing job. But when it comes time to replace the cartridge he has to pay the piper to the tune of $260. He can buy ABS filament for about $50 per kilogram, so he set out to refill his own P400 cartridges.

Respooling the cartridge must be quite easy because he doesn’t describe the process at all. But the physical act of refilling it doesn’t mean you can keep using it. The cartridge and the printer both store usage information that prevents this type of DIY refill; there’s an EEPROM in the cartridge and a log file on the printer’s hard drive. [Dan] pulled the hard drive out and used a Live CD to make an image. He loaded the image in a virtual machine, made some changes to enable SSH and zap the log file at each boot, then loaded the image back onto the printer’s drive. A script that he wrote is able to backup and rewrite the EEPROM chip, which basically rolls back the ‘odometer’ on how much filament has been used.

[Image Source]

(mini)How-To: Refill your DTG inks

The number one and number two things asked after presentation of our DIYDTG were…
“How does it hold up in the wash?”
and…
“How did you change out the inks?”
While we’ve explained the first several times (regular ink washes out, DTG ink gets a little lighter but survives) we can hopefully answer the second with a tutorial.

[Read more...]

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