Remote
Work location
Remodel two-piece enclosure for injection molding (fix snap fit, add draft, uniform walls). Enclosure STEP and PCB STEP provided. Ended
About the job
I have a working two-piece enclosure (top and bottom, roughly 131 x 63mm footprint) currently produced via SLA printing (JLC3DP, 9600 resin). It's moving to injection molding soon, and the current CAD is not production ready, so I'm looking for a full DFM remodel rather than a patch.
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so the parts need to be rebuilt as clean parametric geometry
2. Walls have essentially no draft
3. Wall thickness is non-uniform, ranging from under 1mm to solid sections over 4mm
4. The snap-fit closure engages but has slight play; the halves need a firm, zero-jiggle fit that's still hand-assemblable
Scope of work:
1. Rebuild both halves as parametric CAD matching the existing form factor
2. Apply injection molding DFM: 1 to 2 degrees of draft, uniform nominal wall (target around 2 to 2.5mm), core out thick sections, radii on internal corners
3. Redesign the snap fit for a tight, preloaded closure, using features moldable without exotic tooling (pass-through coring or simple side actions fine, trapped undercuts not)
4. Preserve the existing internal layout: bosses, standoffs, and cutouts are already correctly placed and should be recreated as-is in the new model. I'll provide a STEP export of the populated PCB (KiCad) as a reference to verify positions, component clearances, and port alignment. One exception: boss and standoff geometry may need minor DFM adjustments (draft, wall... read more
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so the parts need to be rebuilt as clean parametric geometry
2. Walls have essentially no draft
3. Wall thickness is non-uniform, ranging from under 1mm to solid sections over 4mm
4. The snap-fit closure engages but has slight play; the halves need a firm, zero-jiggle fit that's still hand-assemblable
Scope of work:
1. Rebuild both halves as parametric CAD matching the existing form factor
2. Apply injection molding DFM: 1 to 2 degrees of draft, uniform nominal wall (target around 2 to 2.5mm), core out thick sections, radii on internal corners
3. Redesign the snap fit for a tight, preloaded closure, using features moldable without exotic tooling (pass-through coring or simple side actions fine, trapped undercuts not)
4. Preserve the existing internal layout: bosses, standoffs, and cutouts are already correctly placed and should be recreated as-is in the new model. I'll provide a STEP export of the populated PCB (KiCad) as a reference to verify positions, component clearances, and port alignment. One exception: boss and standoff geometry may need minor DFM adjustments (draft, wall... read more
I have a working two-piece enclosure (top and bottom, roughly 131 x 63mm footprint) currently produced via SLA printing (JLC3DP, 9600 resin). It's moving to injection molding soon, and the current CAD is not production ready, so I'm looking for a full DFM remodel rather than a patch.
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so the parts need to be rebuilt as clean parametric geometry
2. Walls have essentially no draft
3. Wall thickness is non-uniform, ranging from under 1mm to solid sections over 4mm
4. The snap-fit closure engages but has slight play; the halves need a firm, zero-jiggle fit that's still hand-assemblable
Scope of work:
1. Rebuild both halves as parametric CAD matching the existing form factor
2. Apply injection molding DFM: 1 to 2 degrees of draft, uniform nominal wall (target around 2 to 2.5mm), core out thick sections, radii on internal corners
3. Redesign the snap fit for a tight, preloaded closure, using features moldable without exotic tooling (pass-through coring or simple side actions fine, trapped undercuts not)
4. Preserve the existing internal layout: bosses, standoffs, and cutouts are already correctly placed and should be recreated as-is in the new model. I'll provide a STEP export of the populated PCB (KiCad) as a reference to verify positions, component clearances, and port alignment. One exception: boss and standoff geometry may need minor DFM adjustments (draft, wall ratios at the base to avoid sink) but positions and interfaces must not change
5. Deliver STEP files
Acceptance criteria:
The final deliverable must (1) pass a manufacturer's DFM review for injection molding (JLC3DP or equivalent) with no critical flags, and (2) be verified by a physical SLA test print: the two halves must snap together firmly with zero play, with my PCB installed, all ports and features aligned. The job is complete when both conditions are met. The fixed price includes up to two revision rounds to pass acceptance; issues beyond that caused by changes on my end (PCB changes, new requirements) are billed separately.
Logistics:
Interim SLA prints will continue until tooling is ready, so the redesign should still print and fit correctly in rigid resin. I'll order and turn around test prints promptly (about a week per print cycle). Payment in milestones: 40% on the parametric rebuild with PCB fit check, 40% on the DFM pass and snap redesign, 20% released after the SLA test print passes the fit check with the board installed and the CAD passes DFM review.
Please share examples of enclosures you've designed that went to production tooling. read less
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so the parts need to be rebuilt as clean parametric geometry
2. Walls have essentially no draft
3. Wall thickness is non-uniform, ranging from under 1mm to solid sections over 4mm
4. The snap-fit closure engages but has slight play; the halves need a firm, zero-jiggle fit that's still hand-assemblable
Scope of work:
1. Rebuild both halves as parametric CAD matching the existing form factor
2. Apply injection molding DFM: 1 to 2 degrees of draft, uniform nominal wall (target around 2 to 2.5mm), core out thick sections, radii on internal corners
3. Redesign the snap fit for a tight, preloaded closure, using features moldable without exotic tooling (pass-through coring or simple side actions fine, trapped undercuts not)
4. Preserve the existing internal layout: bosses, standoffs, and cutouts are already correctly placed and should be recreated as-is in the new model. I'll provide a STEP export of the populated PCB (KiCad) as a reference to verify positions, component clearances, and port alignment. One exception: boss and standoff geometry may need minor DFM adjustments (draft, wall ratios at the base to avoid sink) but positions and interfaces must not change
5. Deliver STEP files
Acceptance criteria:
The final deliverable must (1) pass a manufacturer's DFM review for injection molding (JLC3DP or equivalent) with no critical flags, and (2) be verified by a physical SLA test print: the two halves must snap together firmly with zero play, with my PCB installed, all ports and features aligned. The job is complete when both conditions are met. The fixed price includes up to two revision rounds to pass acceptance; issues beyond that caused by changes on my end (PCB changes, new requirements) are billed separately.
Logistics:
Interim SLA prints will continue until tooling is ready, so the redesign should still print and fit correctly in rigid resin. I'll order and turn around test prints promptly (about a week per print cycle). Payment in milestones: 40% on the parametric rebuild with PCB fit check, 40% on the DFM pass and snap redesign, 20% released after the SLA test print passes the fit check with the board installed and the CAD passes DFM review.
Please share examples of enclosures you've designed that went to production tooling. read less
I have a working two-piece enclosure (top and bottom, roughly 131 x 63mm footprint) currently produced via SLA printing (JLC3DP, 9600 resin). It's moving to injection molding soon, and the current CAD is not production ready, so I'm looking for a full DFM remodel rather than a patch.
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so t... read more
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so t... read more
I have a working two-piece enclosure (top and bottom, roughly 131 x 63mm footprint) currently produced via SLA printing (JLC3DP, 9600 resin). It's moving to injection molding soon, and the current CAD is not production ready, so I'm looking for a full DFM remodel rather than a patch.
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so the parts need to be rebuilt as clean parametric geometry
2. Walls have essentially no draft
3. Wall thickness is non-uniform, ranging from under 1mm to solid sections over 4mm
4. The snap-fit closure engages but has slight play; the halves need a firm, zero-jiggle fit that's still hand-assemblable
Scope of work:
1. Rebuild both halves as parametric CAD matching the existing form factor
2. Apply injection molding DFM: 1 to 2 degrees of draft, uniform nominal wall (target around 2 to 2.5mm), core out thick sections, radii on internal corners
3. Redesign the snap fit for a tight, preloaded closure, using features moldable without exotic tooling (pass-through coring or simple side actions fine, trapped undercuts not)
4. Preserve the existing internal layout: bosses, standoffs, and cutouts are already correctly placed and should be recreated as-is in the new model. I'll provide a STEP export of the populated PCB (KiCad) as a reference to verify positions, component clearances, and port alignment. One exception: boss and standoff geometry may need minor DFM adjustments (draft, wall ratios at the base to avoid sink) but positions and interfaces must not change
5. Deliver STEP files
Acceptance criteria:
The final deliverable must (1) pass a manufacturer's DFM review for injection molding (JLC3DP or equivalent) with no critical flags, and (2) be verified by a physical SLA test print: the two halves must snap together firmly with zero play, with my PCB installed, all ports and features aligned. The job is complete when both conditions are met. The fixed price includes up to two revision rounds to pass acceptance; issues beyond that caused by changes on my end (PCB changes, new requirements) are billed separately.
Logistics:
Interim SLA prints will continue until tooling is ready, so the redesign should still print and fit correctly in rigid resin. I'll order and turn around test prints promptly (about a week per print cycle). Payment in milestones: 40% on the parametric rebuild with PCB fit check, 40% on the DFM pass and snap redesign, 20% released after the SLA test print passes the fit check with the board installed and the CAD passes DFM review.
Please share examples of enclosures you've designed that went to production tooling. read less
Known issues with the current files:
1. The bodies are mesh-converted solids (thousands of planar facets), so the parts need to be rebuilt as clean parametric geometry
2. Walls have essentially no draft
3. Wall thickness is non-uniform, ranging from under 1mm to solid sections over 4mm
4. The snap-fit closure engages but has slight play; the halves need a firm, zero-jiggle fit that's still hand-assemblable
Scope of work:
1. Rebuild both halves as parametric CAD matching the existing form factor
2. Apply injection molding DFM: 1 to 2 degrees of draft, uniform nominal wall (target around 2 to 2.5mm), core out thick sections, radii on internal corners
3. Redesign the snap fit for a tight, preloaded closure, using features moldable without exotic tooling (pass-through coring or simple side actions fine, trapped undercuts not)
4. Preserve the existing internal layout: bosses, standoffs, and cutouts are already correctly placed and should be recreated as-is in the new model. I'll provide a STEP export of the populated PCB (KiCad) as a reference to verify positions, component clearances, and port alignment. One exception: boss and standoff geometry may need minor DFM adjustments (draft, wall ratios at the base to avoid sink) but positions and interfaces must not change
5. Deliver STEP files
Acceptance criteria:
The final deliverable must (1) pass a manufacturer's DFM review for injection molding (JLC3DP or equivalent) with no critical flags, and (2) be verified by a physical SLA test print: the two halves must snap together firmly with zero play, with my PCB installed, all ports and features aligned. The job is complete when both conditions are met. The fixed price includes up to two revision rounds to pass acceptance; issues beyond that caused by changes on my end (PCB changes, new requirements) are billed separately.
Logistics:
Interim SLA prints will continue until tooling is ready, so the redesign should still print and fit correctly in rigid resin. I'll order and turn around test prints promptly (about a week per print cycle). Payment in milestones: 40% on the parametric rebuild with PCB fit check, 40% on the DFM pass and snap redesign, 20% released after the SLA test print passes the fit check with the board installed and the CAD passes DFM review.
Please share examples of enclosures you've designed that went to production tooling. read less
Things to know
Expert
Skill Level
$800
Fixed-rate (USD)
Part-time
Job type
Under 1-month
Job duration
Areas of expertise
3D CAD Design
3D Modeling
Design for Manufacturing
Injection Mold Design
Plastic Enclosure
+2 more
Job categories
Injection Molding Design
Design for Manufacturability (DFM Services)
3D Design Services
About the client
Payment ready
United States (04:38 am)
Posted
Active
Job activity
59 Applicants
2 interviews in progress
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