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My kids bought me an Ender 3 for Christmas.
Looking at the inside you can see that there are four supports for both the top of the DRAWS hat and the bottom of the pi. The two tall screw towers are the only ones useable for fastening the case shut, which is non-optimal, but it actually fits snugly with no screws at all.
If you look at the scad file you can see how the powerpole mount works — there are tiny details that engage the roll pin holes. It is easy to install and remove but it doesn’t come loose during use. This detail was the main purpose of the case design. Everything else got very little attention.
Please note that the design is a remix of Thingiverse 2985738
On Jan 4, 2019, at 1:20 PM, Jack Spitznagel <kd4iz@...
Nice solution Brian! Which 3D printer are you using?
Jack – KD4IZ
On Jan 4, 2019, at 12:51 PM, Ed Bloom, KD9FRQ <ewbloom@...> wrote:
Do you a picture of the two halves whilst apart? and the inside of the top?
From: Brian Badger <brian@...>
To: udrc <email@example.com>
Sent: Fri, Jan 4, 2019 12:28 pm
Subject: Re: [udrc] DRAWS case first draft #draws #case #cad #scad
On Jan 4, 2019, at 9:57 AM, Brian Badger <brian@...> wrote:
Currently waiting in thingiverse approval queue.
SCAD provided so you can help tune the design
Added a powerpole power port
Stretched the case to protect the power connector
Extraneous screw holes that can't be used with DRAWS
GPS antenna connector is a stubborn fit, so there is a big gap
SD card protector dimensions are just plain wrong. The card is inaccessible.
Science River LLC