The picture with the plastic washer I found on ebay. It's a fairly common M3 style aluminium effector.by bradb - Delta Machines
Following Up - With the above homemade shims the play was eliminated but the hot end could still rotate. I found the following picture that showed a plastic washer, but had no luck finding any. In finally found a set of metal shim washers designed for an RC truck that were the right size. HPI Racing #86598 13x16x0.2mm These are readily available from several on-line vendors. I puby bradb - Delta Machines
I've been upgrading my Delta (Folger Kossel 2020). The upgrade plan includes a new E3D v6 hot end, and an Aus3d IR 1.4 z-probe. With this set up, the fan clips onto the heat sink, and the z-probe mounts onto the fan. I built my Delta originally with an aluminium Effector, so my the plan was to use one of the aluminium Circular/U-shaped groove mounts (Amazon) to attach the hot end. The probby bradb - Delta Machines
As a follow up... After only a handful of prints, the bed heater quit working... It turns out that the power connector on the RAMPS 1.4 board was fried. It appears the bed heater can pull more current than the green power connector can reliably handle. FYI - it was the internal pin/socket of the connector that failed, not the wire screw clamp. A little digging on line will show this is aby bradb - Delta Machines
I too just finished by first 3d printer, the Folger Kossel 2020. I found it to be a fairly good kit, but the instructions had various errors, were ambiguous, or were simply out of date. For what its worth, I've attached my build notes in the hopes that it help or save time for others. 1) The user manual specifies the wrong length for some screws. Examples: one of the screws that mount the beltby bradb - Delta Machines