STFM case remake

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exxos
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Re: STFM case remake

Post by exxos » Sun Dec 10, 2017 9:59 pm

rpineau wrote:
Sun Dec 10, 2017 9:46 pm
So you want to take a block of "plastic" and CNC it to the exact STFM/STE case specs ?
Nope.. laser cutting wasn't my idea. But if I did, that would be how I would do it.

CNC, if going down that route, do it in metal, then we have a injection mold done.
rpineau wrote:
Sun Dec 10, 2017 9:46 pm
I'm not against it but I think the reason most of us want new case is because we can't fit everything we want in the current one :)
True, it was suggested before to clone the MEGA ST case instead.
rpineau wrote:
Sun Dec 10, 2017 9:46 pm
So may be these are two different projects..
Indeed. If someone else wants to look into such cases then no problem by me. But then we get into issues, some want STE case, some want STFM case, some want MEGA ST case. Printing is only low cost option, but only in smaller "kit" form sections. Then its not a "classic" case anymore. Of course huge issues which ever direction the "case remake" project may go. I got the STFM designs done to investigate possibilities of making a clone.. but as I found out (no surprise) the costs are just to high. So its not going to happen.

But if we going to do a new case, then it would be better to fit my STF remake motherboard.. but in that case, I would just use a PC case and use ITX form factor or something small. But likely I won't have time to finish motherboard anytime soon anyway. Plus I don't have time to design a case.. in 2 years I hardly finished my 3D printer. So not a project I can do myself.
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

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rpineau
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Re: STFM case remake

Post by rpineau » Sun Dec 10, 2017 10:18 pm

Ok I understand your intention.
So I agree that the "best" way to get new original case is the injection mold.
As for "custom new case" using either 3D print, laser cut or CNC cut, this can still be useful for people with an existing STF/STE mother board with a lot of extension that can't be closed anymore.
As for a case for the mother board remake you're working on, an ATX (or mini ATX) format is indeed probably the best option, with a custom back panel.
No easy to figure out what is the most needed/wanted .
This all makes for a good and interesting talk :)

Rodolphe.

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Re: STFM case remake

Post by exxos » Sun Dec 10, 2017 10:40 pm

rpineau wrote:
Sun Dec 10, 2017 10:18 pm
Ok I understand your intention.
So I agree that the "best" way to get new original case is the injection mold.
As for "custom new case" using either 3D print, laser cut or CNC cut, this can still be useful for people with an existing STF/STE mother board with a lot of extension that can't be closed anymore.
As for a case for the mother board remake you're working on, an ATX (or mini ATX) format is indeed probably the best option, with a custom back panel.
No easy to figure out what is the most needed/wanted .
This all makes for a good and interesting talk :)
Nothing ever easy with this stuff ;) Think spray paint the old case is best option ;)

As for injection molding, if community can raise £40,000 then sure I can get proper cases made, maybe around £30-£50 per case. But based on 1,000 cases.. don't know of shipping costs, likely large container, plus I would need to rent a garage to store them all in. Would need 800 people to pledge £50 minimum..
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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Maeke
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Re: STFM case remake

Post by Maeke » Sun Dec 10, 2017 10:55 pm

rpineau wrote:
Sun Dec 10, 2017 9:41 pm
@Maeke, yes the diy route is probably the cheapest one.
To cut 2 to 3mm acrylic you need a CO2 laser with about 40W of power.
Also as we're talking about thin sheet of wood or acrylic, a CNC can also be used to cut the parts, cheaper than a laser cuter and less dangerous (think about fire, laser reflecting to your eyes, ... )
Rodolphe
I've obviously took into consideration the eyes issue, using an enclosure is still possible with laser light protection sheet.
As for the fire, cheap chinese 3d printers too can take fire, mine is protected against it, at least as much as i could.
If i take too long to reply, sorry my cat is sleeping on my laps.

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Re: STFM case remake

Post by Maeke » Sun Dec 10, 2017 10:57 pm

rpineau wrote:
Sun Dec 10, 2017 9:46 pm
exxos wrote:
Sun Dec 10, 2017 9:34 pm
A "kit" form case would be a much cheaper option yes, but I'm talking of total accurate clone of the case. If people wanted a kit type case, then they could do it themselves.
So you want to take a block of "plastic" and CNC it to the exact STFM/STE case specs ?
I'm not against it but I think the reason most of us want new case is because we can't fit everything we want in the current one :)
Also as the STF case (bottom and top) are not 100% flat, this would be fairly complicated to do with a CNC and would require multi-axis CNC to do a top/bottom case with its sides (and back panel) and then flip it over to do the other side.

It's all a matter of cost and laser/CNC cut acrylic/wood would give us the option to make new cases for STFM/STE/MSTE/TT to the dimension we want to add cards and what not in them.
So may be these are two different projects..

Rodolphe
If i want at least one new case, it's because my stf came with a smashed uppder case, and i'm not the only one having this issue.
If i take too long to reply, sorry my cat is sleeping on my laps.

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Re: STFM case remake

Post by rpineau » Sun Dec 10, 2017 11:02 pm

@Maeke :
I see. I was thinking of DIY laser cutter like these :
https://www.thingiverse.com/thing:1780556
Cutting acrylic with this could be a problem as it's fully open and will refract the laser light.
But yes Chinese ones are cheap-ish and fully closed.

Rodolpje

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Re: STFM case remake

Post by Maeke » Sun Dec 10, 2017 11:14 pm

rpineau wrote:
Sun Dec 10, 2017 11:02 pm
@Maeke :
I see. I was thinking of DIY laser cutter like these :
https://www.thingiverse.com/thing:1780556
Cutting acrylic with this could be a problem as it's fully open and will refract the laser light.
But yes Chinese ones are cheap-ish and fully closed.

Rodolpje
That's not what i meant when i talked about chinese stuff.
This said, the diy you linked to, surrounded by an ikea lack enclosure with a longer table (abviously, not the small square one). wood sheets on all sides could do the job.
I looked into laser protective sheets meanwhile, the price defeat the cheap diy idea, but glasses could do.
Sadly i can't do one myself, not enough room in my appartment, and i'd preferre to protect my cat from the laser.
If i take too long to reply, sorry my cat is sleeping on my laps.

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Re: STFM case remake

Post by rpineau » Mon Dec 11, 2017 12:45 am

Same here. not enough space, cat ...

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Maeke
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Re: STFM case remake

Post by Maeke » Mon Dec 11, 2017 1:18 am

rpineau wrote:
Mon Dec 11, 2017 12:45 am
Same here. not enough space, cat ...
Well at least there is a fablab in my town, but with my health i don't know when i'll be able to go.
If i take too long to reply, sorry my cat is sleeping on my laps.

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Re: STFM case remake

Post by exxos » Mon Dec 11, 2017 3:04 pm

I've ordered a 3D printed case from ireland to see what the quality is like.

At least with 3D printing changes can be made easily to the case. Cost is still a lot, costing around £450 to prototype this :roll: Cost me around the same to get the 3D files created, so totaled £1,000 easily so far :(

I be surprised if it actually prints out at all without collapsing..


4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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