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3d-printing a thinner HP41CX back cover
02-26-2018, 04:52 PM
Post: #1
3d-printing a thinner HP41CX back cover
Hi there,

I enjoy my 41cx, but sometimes wish it was a little bit thinner. I think there are a couple of people on the forum who are skilled at 3d printed parts. So is it possible to redesign the back cover and make 41cx a little bit thinner?

thanks,
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02-26-2018, 05:57 PM
Post: #2
RE: 3d-printing a thinner HP41CX back cover
(02-26-2018 04:52 PM)atilla457 Wrote:  Hi there,

I enjoy my 41cx, but sometimes wish it was a little bit thinner. I think there are a couple of people on the forum who are skilled at 3d printed parts. So is it possible to redesign the back cover and make 41cx a little bit thinner?

While feasible to make the lower portion a small amount thinner (perhaps 1-2mm as it sits just above the CPU board), the thickness of the upper portion cannot be reduced because of the ports for the 4 x ROM/RAM modules. And since that cannot be reduced, very little would be gained by reducing just the lower section. So a lot of work for very little benefit IMHO.

--Bob Prosperi
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02-26-2018, 07:02 PM
Post: #3
RE: 3d-printing a thinner HP41CX back cover
(02-26-2018 05:57 PM)rprosperi Wrote:  the thickness of the upper portion cannot be reduced because of the ports for the 4 x ROM/RAM modules.

Unless you make it a real half-nut with 2 module ports Wink
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02-26-2018, 07:29 PM
Post: #4
RE: 3d-printing a thinner HP41CX back cover
(02-26-2018 07:02 PM)Didier Lachieze Wrote:  
(02-26-2018 05:57 PM)rprosperi Wrote:  the thickness of the upper portion cannot be reduced because of the ports for the 4 x ROM/RAM modules.

Unless you make it a real half-nut with 2 module ports Wink

I am so eternally grateful they did not implement that plan.

Håkan
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02-27-2018, 04:58 AM
Post: #5
RE: 3d-printing a thinner HP41CX back cover
(02-26-2018 07:02 PM)Didier Lachieze Wrote:  Unless you make it a real half-nut with 2 module ports Wink

No! No ports and a Lipo battery. We could get rid of the mid-piece bezel and bottom on a half nut. Direct power onto the main board and get rid of the battery flex circuit...

I just checked my boneyard and have about a half-dozen full nuts in various states of repair but no half nuts.

Shopping we go!
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02-27-2018, 07:48 AM
Post: #6
RE: 3d-printing a thinner HP41CX back cover
(02-27-2018 04:58 AM)Nate Martin Wrote:  I just checked my boneyard and have about a half-dozen full nuts in various states of repair but no half nuts.

Isn't a half-dozen full nuts = a dozen half nuts?

:)

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    Massimo

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02-27-2018, 07:58 AM
Post: #7
RE: 3d-printing a thinner HP41CX back cover
(02-27-2018 07:48 AM)Massimo Gnerucci Wrote:  
(02-27-2018 04:58 AM)Nate Martin Wrote:  I just checked my boneyard and have about a half-dozen full nuts in various states of repair but no half nuts.

Isn't a half-dozen full nuts = a dozen half nuts?

Smile

Sigh. That's just nuts...

(Post 183)

Regards, BrickViking
HP-50g |Casio fx-9750G+ |Casio fx-9750GII (SH4a)
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02-27-2018, 08:04 AM
Post: #8
RE: 3d-printing a thinner HP41CX back cover
(02-27-2018 04:58 AM)Nate Martin Wrote:  No! No ports and a Lipo battery. We could get rid of the mid-piece bezel and bottom on a half nut. Direct power onto the main board and get rid of the battery flex circuit...

A null nut then.

Pauli
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02-27-2018, 11:01 AM
Post: #9
RE: 3d-printing a thinner HP41CX back cover
(02-27-2018 07:48 AM)Massimo Gnerucci Wrote:  
(02-27-2018 04:58 AM)Nate Martin Wrote:  I just checked my boneyard and have about a half-dozen full nuts in various states of repair but no half nuts.

Isn't a half-dozen full nuts = a dozen half nuts?

Smile

And what do you store them in, a nut case? Tongue
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02-27-2018, 11:42 AM
Post: #10
RE: 3d-printing a thinner HP41CX back cover
(02-27-2018 11:01 AM)grsbanks Wrote:  
(02-27-2018 07:48 AM)Massimo Gnerucci Wrote:  Isn't a half-dozen full nuts = a dozen half nuts?

Smile

And what do you store them in, a nut case? Tongue

Ok, I'm going nuts.

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    Massimo

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02-27-2018, 01:19 PM
Post: #11
RE: 3d-printing a thinner HP41CX back cover
(02-27-2018 04:58 AM)Nate Martin Wrote:  
(02-26-2018 07:02 PM)Didier Lachieze Wrote:  Unless you make it a real half-nut with 2 module ports Wink

No! No ports and a Lipo battery. We could get rid of the mid-piece bezel and bottom on a half nut. Direct power onto the main board and get rid of the battery flex circuit...

No ports? Then you have a DM-41!

Tom L
Cui bono?
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