I made these for my IB metal detector and decided to upload here because sharing is caring ;)

DD coil frames 200mm and 250mm for IB metal detector.

DD coil 200mm diam.stl

Parametric FreeCAD model for cell holders, for building battery packs.
In this model you can:
1. Set your cell width, for example 18mm for 18650 cells or 21mm for 21700 cells.
2. Set cell count in X and Y directions, for example 2x3, 5x7 or any number you want even 1x100.
3. Set general clearances for your print and separately for your cell fit.
4. Set standoff height, default is 6mm.
5. Set width for your strip, default is 10mm.
6. Set the size of your mounting hole, for mounting the top cover, or any other mounting method of your choice.
7. Set the thickness of the top cover. Two thicknesses are given, the total thickness of the top cover is the sum of these two. 
The top cover is supposed to be a press-fit and a clearance variable is given to adjust the fit.

This model was made with the purpose of minimizing material usage and is possible to print without supports.

Parametric FreeCAD model for cell holders, for building battery packs

Parametric FreeCAD model for cell holders, for building battery packs.
In this model you can:
1. Set your cell width, for example 18mm for 18650 cells or 21mm for 21700 cells.
2. Set cell count in X and Y directions, for example 2x3, 5x7 or any number you want even 1x100.
3. Set general clearances for your print and separately for your cell fit.
4. Set standoff height, default is 6mm.
5. Set width for your strip, default is 10mm.
6. Set the size of your mounting hole, for mounting the top cover (yet to be modeled), or any other mounting method of your choice.

This model was made with the purpose of minimizing material usage and is possible to print without supports.

cell holder parametric-Body.step

A parametric model made in FreeCAD.
Included is also the FreeCAD project.
In this project you can:
1. Choose your connector size, eg 2x3 as in the given example 3d file.
2. Choose spacing between pins.
3. Choose the size of your mounting flange.
4. Choose the offset of the mounting flange.
5. Choose the number of screws for the mounting flange. 
You can also generate the socket without a flange. 
Bullet connectors are a press fit with a lip for positive retainment.
Printer clearance can also be adjusted. 
In theory you can modify parameters to fit any size of bullet connector, but keep in mind that the model is quite clunky and janky, because FreeCAD is a bit of a pain to work with, so fixing some issues is not possible, otherwise the whole model breaks. 
The model has not been tested as of yet, so it might not work as intended, but the base is there and any shortcomings can be fixed in due time. 
Also, more plug varieties (eg: 2x5, 4x30, 6x7 etc.) can be generated and uploaded upon request.

PS: NOT made for SLA printing. Trying to insert bullet connectors into an SLA print of this model will likely result in the housing breaking apart.

Edit: V3 comes with some bug fixes.

Parametric FreeCAD model for 3.5mm banana plug, connector, housing, male and female

2x3socket.3mf

2x3socketSTL.stl

As these clips get old they become brittle and break easily, which is what happened to me.
After looking through all the local car parts stores i couldn't find this particular clip, so i designed my own to be 3D printed.
it's designed to be printed without support and slides into the notch in the door sill cover but it only goes on one way.
It's pretty easy to figure out which way it goes so it's not a problem.
There are two versions of this clip, one is 1mm thick and the other is 2mm thick.
The thicker one is stiffer so it holds in tighter.
I've tested both and they both hold well, there's not that much difference really.


SAAB NG900 OG9-3 door sill cover clip, pn. 4421475

trim retainer 1mm.stl

My previous NG900 and current OG9-3 had the same problem of the shift knob coming apart.
The rubber shell tears away leaving the jagged and very rough nylon part that is very awkward to handle.
In my previous SAAB i just wrapped it with some cloth tape but now i have a 3D printer and decided to make a replacement.
I've been using this knob for half a year now and it's pretty good.
The shape was done by eye and loosely based off the old rubber boot that came off.
A "SAAB" and a griffin were debossed into the surface for the purpose of filling them with colored resin to make the shape pop.

Please note that as-is the model is slightly too tight and does not fit on the nylon part.
I've found that printing it at 102% seems to give a pretty good fit.

STL and 3MF files included.
Edit: looks like my 3MF file got butchered, so go with the STL, it looks fine.
Edit2: the 3MF looks fine in Cura, so it must be a bug with thangs.

More about this project on my blog at:
https://brimmingideas.blogspot.com/2021/10/3d-printing-new-shift-know-for-my-saab.html

SAAB NG900 OG9-3 shift knob

SAAB_shiftknob.3mf

Here i put some of my 3D models for people to download.
I also have a blog at brimmingideas.blogspot.com

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DD coil frames 200mm and 250mm for IB metal detector.

Parametric FreeCAD model for cell holders, for building battery packs

Parametric FreeCAD model for 3.5mm banana plug, connector, housing, male and female

SAAB NG900 OG9-3 door sill cover clip, pn. 4421475

SAAB NG900 OG9-3 shift knob