3D Printed Primer Tray Funnel

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3D Printed Primer Tray Funnel

Postby buckeye43210 » Mon Mar 20, 2017 1:09 pm

This is a primer tray funnel. It makes loading square primer boxes into round primer trays easier. I took my measurements from a Federal primer box and one of the round Lee Auto Prime trays.

I also uploaded the source code for this object. Feel free to modify it for RCBS, or other manufacturer's primer trays. Just give me credit for any derived works.

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Re: 3D Printed Primer Tray Funnel

Postby JustaShooter » Mon Mar 20, 2017 1:14 pm

Nice! Where did you upload the object source?

Edit: Nevermind, I see the picture is a link to thingverse.
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Re: 3D Printed Primer Tray Funnel

Postby buckeye43210 » Mon Mar 20, 2017 1:17 pm

JustaShooter wrote:Nice! Where did you upload the object source?

Edit: Nevermind, I see the picture is a link to thingverse.


Yep, and the OpenSCAD file is here.

You can also open this in the Customizer and play around with some of the dimensions...
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Re: 3D Printed Primer Tray Funnel

Postby The German » Sun Mar 26, 2017 3:00 pm

If you use the customizer in thingiverse and use

Ring height: 5.0
Outside diameter: 78.0
Inside width: 76.0
Wall thickness: 2.5

it should fit on all primer trays - not a snug fit, but if you first put it over the primer package, lay the primer tray on top and then flip it over, all primers will land on the tray. http://www.thingiverse.com/thing:2205751
Form customizing it specifically for LEE or RCBS trays, the RCBS primer tray has an inner diameter of 95mm, the LEE (for the loadmaster) 82.9mm
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Re: 3D Printed Primer Tray Funnel

Postby buckeye43210 » Sun Mar 26, 2017 3:55 pm

The German wrote:If you use the customizer in thingiverse and use

Ring height: 5.0
Outside diameter: 78.0
Inside width: 76.0
Wall thickness: 2.5

it should fit on all primer trays - not a snug fit, but if you first put it over the primer package, lay the primer tray on top and then flip it over, all primers will land on the tray. http://www.thingiverse.com/thing:2205751
Form customizing it specifically for LEE or RCBS trays, the RCBS primer tray has an inner diameter of 95mm, the LEE (for the loadmaster) 82.9mm

Thanks for remixing my design.
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Re: 3D Printed Primer Tray Funnel

Postby The German » Mon Mar 27, 2017 3:12 pm

I have a few printed - if anybody wants to pick one up for free in the West Chester area, send me a pm.
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Re: 3D Printed Primer Tray Funnel

Postby buckeye43210 » Wed Mar 29, 2017 9:49 am

Here's what the current design looks like. It is customizable for different primer box and primer tray sizes.

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Re: 3D Printed Primer Tray Funnel

Postby buckeye43210 » Tue Apr 04, 2017 2:51 pm

I've added an adapter for smaller primer boxes.

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