Snap-Fit Clip - Student Documentation Template (Extension Project)

• Author:
• Date:
• Description: Design a snap-fit connector that joins two 3D-printed parts without external fasteners.

Design Concept

• What two parts will your snap-fit connect?
• Design approach (cantilever, torsion box, other):
• Material and expected stress limits:

Tolerance Specifications

Assembly Testing

Test 1: Initial Assembly

• Date:
• Effort required to snap together:
• Snap strength (resistance to pulling apart):
• Visual inspection (any deformation?):

Test 2-5: Reusability Testing

• Cycle 2: (date, observations)
• Cycle 3: (date, observations)
• Cycle 4: (date, observations)
• Cycle 5: (date, observations)

Durability Assessment

• After 5 cycles, is the snap-fit still functional?
• Any permanent deformation observed?
• Estimated service life (based on testing):

Mechanical Analysis

• Describe the snap mechanism (why does it work?):
• What material properties enable this design?
• What are the stress points?

Reflections

• Did the snap-fit work as expected?
• What tolerance adjustments would you make?
• How would you test durability over thousands of cycles?
• What materials would fail with this design? Why?

Attachments

• .scad file with parametric snap-fit module
• Photos of both parts before assembly
• Photos of assembled connection
• Testing documentation with dates/observations
• Tolerance analysis table

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