So… you think you can design? (Part 3)

I’m really pleased to announce the latest milestone for this project.

Previously mentioned HERE and HERE.

Partly because I’m such a Luddite, and partly because my brain has difficulty staring at complex things and interpreting complicated drawings on a computer screen, we’re about to kick off our first physical prototype. We’re going to use that really new and cool technology 3D printing for initial prototyping.

There are a couple of reasons I like having a physical prototype, and why I’m going for 3D printing at this stage:

It’s easier to discuss modifications and design changes for design maturation and development with a physical object in one’s hands.

– Ergonomics and aesthetics can be quantified.

– Trial fitting (very, very carefully!) to the original equipment.

I’m pretty pleased to have achieved reached this stage.

The next stage will be further design development and maturation, as well as scale-up for manufacturing (ie. How will this item be built to aid in ease of manufacturing and keep costs down?).

I s’pose now is a good time to give you all a sneak peek of the initial CAD concept drawing that was developed, and lift the veil of secrecy that I’ve been coyly using:

social media release

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So… what is it?

We’re designing an accessory forearm for the Marlin 336 using the M-Lok attachment system from Magpul.

Here’s what Magpul have to say about their M-Lok system:

https://www.magpul.com/mlok

 

This picture shows the initial concept drawn up from my scribblings and description outlined from a project brief I wrote and supplied. My draftsman is a wizard who did this up in less than two days from start to finish (not including the two days he needed to download, understand and play with the programme I suggested he use).

We’re currently on about Version 5 of the design, so it’s not looking quite as steam-punk agricultural now. The forearm is looking much more svelte and streamlined.

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What’s going to happen next?

When I have a complete 3D printed prototype, then further design development will occur. This includes ergonomics, and thoughts about scale-up for manufacture.

Once this is complete, we’ll move onto our next prototype stage – in aluminium via CNC machine, as a scale-up for mass manufacturing.

This CNC’d aluminium prototype will also be used for real-world testing (use and abuse evaluation) and live-fire certification.

 

We’re really excited about this project, and hope you are too!

 

 


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