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Re: New arm design for Simpson style printer.

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Not to derail this thread...but... the current plan is to have a platform for each shoulder that you just stake into the ground. (You can have strings that you stretch tight to get the optimal placement.) At this point you go through a calibration routine over the area that you want to print on. (I am thinking it will be a sheet of MDF laying in the grass.)

If you want to discuss a jumbo Simpson project, let's start another thread. I have definitely been spending some cycles on this. I have some hot ends being made that accept 5mm and output 1.75mm. We have also found a source for 5mm filament in any color for around $10/pound. I think the xDrive is the front runner for the drive mechanism. However, just extending the forearm past the joint to get the right leverage might also be good enough.

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