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SERVICES · DWG-29 · SERVICE 09 · 3D PRINT

3D printing: housings and parts that print right first time and assemble without fitting

Electronics housings, nose cones, brackets and mechanisms for FDM and SLS: material and print orientation for every part, threads in heat-set inserts, assembly clearances, STL with a print map.

26STL files
in RL-2 drone
73screws
checked
136holes
none extra
CSWAAdditive
Manufacturing
WHEN YOU NEED IT

When you need design for printing

DWG-292
CASES
4

A printed part behaves differently from a moulded one: strength depends on layer direction, threads in plastic wear fast, and clearances depend on the printer and material. So I set the print orientation in the model, not on the print bed.

I design the housing around real components from datasheets: boards, connectors, batteries, cameras. Nothing has to be trimmed after printing.

WHAT YOU RECEIVE

What you receive

DWG-293
OUTPUT
4 FILES
.STLParts
to print
.PDFPrint
map
.STEP3D assembly
.PDFDrawings
with sections

STL of every part with a print map: material, orientation, infill, perimeters.

A 3D assembly with bought-in components, screws and heat-set inserts, checked for interference.

Drawings with sections where clearances, bearing fits and insert locations matter.

PROCESS

How I do it

DWG-294
METHOD
5 STEPS

Components and loads first, then material and orientation, and only then the shape.

01

Collect real components from datasheets and define what acts on the part: load, heat, vibration

02

Choose the material: PETG for shells, PA12-CF for loaded parts, TPU for damping

03

Set print orientation and walls so loads do not run across layers

04

Put threads into brass heat-set inserts and size screw holes for an insert or a self-tapper

05

Check the assembly for interference and audit the fasteners: every screw, every hole, no floating bodies

Nose cone · KeyShot render 3D-printed nose cone with sockets for two cameras and three mounts
PRODUCTION CONSTRAINTS

What to consider before printing

DWG-295
CONSTRAINTS
4 ITEMS

These decide whether a part fits and survives in service.

Layers. A printed part is weakest across its layers. Loaded parts are oriented so force runs along the layers, and they are printed in PA12-CF.

Threads. Plastic wears threads quickly, so RL-2 uses brass heat-set inserts throughout, with M3 screws in ⌀2.7 holes.

Bought-in parts. Sockets for servos and connectors are made universal: the RL-2 9-gram servo socket takes SG90, MG90S and clones, with 1.0 and 0.5 mm shims for height.

Audit before printing. RL-2 was checked for 73 screws and 136 holes, zero floating bodies and only intended interferences. That is how the first print becomes the last.

EXAMPLES

Examples from practice

DWG-296
PROOF
3

Both products share the same base: datasheet components, material and orientation for every part, and an assembly audit before the first print.

TIMING AND FORMAT

Timing and how we work

DWG-297
TERMS
·

I give a time estimate within 24 hours of receiving the brief, photos or a component list.

If you already have a printer and material, say so: tolerances and orientation will be set for them.

QUESTIONS

What people ask most

DWG-298
FAQ
5 Q
FDM and SLS: shells in PETG, loaded parts in PA12-CF, damping in TPU. Process and material follow the loads and the series size.
Often yes, for small series and moderate loads. I check what acts on the part and tell you whether plastic holds or where a metal insert is needed.
With brass heat-set inserts. Screw holes are sized separately for an insert or a self-tapper, so threads survive repeated assembly.
STL of every part with a print map, a STEP assembly and drawings with sections for clearance-critical parts.
Mostly Fusion 360: the STRILA RL-2 drone body and the two-camera nose cone were built in it. The model comes as F3D or STEP and the parts as STL. If your team works in SolidWorks, you get native SolidWorks files.

All 19 answers on pricing, payment and terms →

NEXT STEP

Related services

DWG-299
LINKS
3

Send photos, a sketch or a component list, and within 24 hours I'll tell you how long it takes and what I need from you.

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