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Frame Assembly

Rails​

  1. Remove the left and right leg assemblies from the second tray, and the two aluminum rails from under the cable chain in the first tray.

  2. Stand the legs upright. The left leg has the Y1 harness and left tensioner pivot; the right has Y2 and the right pivot.

  3. Tilt the left Y gantry on its side. Remove 2x M5x10mm socket head screws and 2x T-slot nuts from the hardware bag.

  4. Insert one M5x10mm screw into the front left leg and attach a T-slot nut, oriented vertically.

  5. Grab the front rail (slots labeled 1–25). Drop 2x M5x8mm button head bolts into the bracket holes and loosely thread T-slot nuts.

  6. Align the front rail with the left leg, rotate the rail upward so the nut fits the extrusion, then slide it fully into the front left leg.

  7. Tighten the two screws. Attach the front right side the same way and tighten.

  8. Lift the machine on its back legs and tighten the final loose screw.

  9. Get the back rail (slots 26–50, two brackets per side). Mount 4x M5x8mm button heads + 4x T-slot nuts.

  10. Place the back rail across the back legs and rotate it upward into the extrusions. Adjust legs as needed for fit.

  11. Rest the left side on the 50mm spacing bracket, lightly tighten, then set the right-side spacing.

  12. Tighten both screws, then tighten the bottom screw on the left. Bring the machine back down.

Check for Squareness​

  1. Drop the build plate onto the rails. Pull the staging plate fully forward and make sure its edge is flush with the extrusions on both sides; repeat at the back.
  2. Loosen frame bolts and adjust until both sides are flush at front and back.
  3. Slide both Y gantries to the back. Fit the X gantry onto them, motors facing you.
  4. Attach the X gantry with M5x25 socket head and M5x16mm screws on each side.
  5. Install front leg extensions (2x M5x16mm each) and back leg extensions (1x M5x16mm each).

Plates​

Vertex 4.1 Secondary Fiducial: V4.1 owners will see a secondary fiducial in the gap between the bottom camera and staging plate edge. V4.0 users can upgrade via the Secondary Fiducial Upgrade Kit.
  1. Remove and prepare the staging plate (bottom camera mounted) and build plate (bare).
  2. Secure the static camera foot to the staging plate with the two gold thumb screws, aligning the camera cable with the cutout.
  3. Attach the build plate foot to the center of the build plate (LumenPnP Staging Plate text facing up).
  4. Mount both plates with 8x M5x8mm button head screws + 8x T-slot nuts from the text side.
  5. Pull out loose wires from the Y gantries so plates mount cleanly.
  6. Place the staging plate on the lower extrusions, aligned to reference images.
  7. Use the alignment bracket to square the staging plate; tighten screws front and back.
  8. Place the build plate on the same rail, flush with the extrusion, and tighten all four screws.

Y-Striker​

  1. Slide the Y-striker into the slot in the front left leg and secure with an M5x25mm socket head bolt.
  2. Adjust its height so it makes clean contact with the Y-gantry endstop, testing by pulling the X-gantry forward until contact.

Frame assembly is complete. Continue to Electronics & Wiring.