diff --git a/README.md b/README.md new file mode 100644 index 0000000000000000000000000000000000000000..f618a020c5ef71a3ee601a14336a378ee791bbd0 --- /dev/null +++ b/README.md @@ -0,0 +1,21 @@ +Problem: + +* The zipper is broken because the sliding part is missing or fatally deformed. + +Solution: + +1. Open zipper.FCStd in FreeCAD and adjust dimensions as required. + There is an extra spreadsheet object which has the thread dimensions. + Height only determines the connector rod length, the actual height + is determined flexibly during assembly. + +2. Print the two parts. It's probably wise not to align the layers parallel + to the connector rod. Also good idea to keep the thread-facing sides up + so they don't get charred by support attachment. + +3. Assemble the two parts around the zipper (press sufficiently hard). + +4. Weld the connecting rod at the bottom side with a soldering iron (or other point heat source). + Soldering iron at the same temperature as the nozzle during printing is about right. + + diff --git a/zipper.jpg b/zipper.jpg new file mode 100644 index 0000000000000000000000000000000000000000..0a139a00e0921d90aef2d9f9faf2b3518229c528 Binary files /dev/null and b/zipper.jpg differ