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#1 2017-03-21 01:51:12

yangbo
Member
Registered: 2017-03-21
Posts: 3

Does nanodlp support bottom-up mode ?

Currently,Nanodlp using top-down mode to build 3d model with projector on Top.

does nanodlp support bottom-up mode with UV light from bottom ?

thanks for your help.

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#2 2017-03-21 09:38:41

Shahin
Administrator
Registered: 2016-02-17
Posts: 1,834

Re: Does nanodlp support bottom-up mode ?

People are using nanodlp for top-down too but it will be a bit more difficult to setup. Search the forum, you could see threads about top-down systems.

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#3 2017-03-21 13:22:08

backXslash
Member
Registered: 2016-03-25
Posts: 143

Re: Does nanodlp support bottom-up mode ?

yangbo wrote:

Currently,Nanodlp using top-down mode to build 3d model with projector on Top.

does nanodlp support bottom-up mode with UV light from bottom ?

thanks for your help.

I just completed my write up of my conversion from top-down to bottom-up.

It's here.

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#4 2017-03-22 02:05:49

yangbo
Member
Registered: 2017-03-21
Posts: 3

Re: Does nanodlp support bottom-up mode ?

backXslash wrote:
yangbo wrote:

Currently,Nanodlp using top-down mode to build 3d model with projector on Top.

does nanodlp support bottom-up mode with UV light from bottom ?

thanks for your help.

I just completed my write up of my conversion from top-down to bottom-up.

It's here.

Thanks for sharing.

Which part need to change in Nanodlp's setup page to convert from top-down to bottom-up ?

my print platform will go to bottom when printing finished,this action will kill my LCD srceen(I am using 7' LCD + UV light position-fixed at bottom).

Is there some way to remove the last "go bottom" command in the printing process ?

thanks again.

Last edited by yangbo (2017-03-22 03:07:07)

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#5 2017-03-22 05:26:09

backXslash
Member
Registered: 2016-03-25
Posts: 143

Re: Does nanodlp support bottom-up mode ?

yangbo wrote:
backXslash wrote:
yangbo wrote:

Currently,Nanodlp using top-down mode to build 3d model with projector on Top.

does nanodlp support bottom-up mode with UV light from bottom ?

thanks for your help.

I just completed my write up of my conversion from top-down to bottom-up.

It's here.

Thanks for sharing.

Which part need to change in Nanodlp's setup page to convert from top-down to bottom-up ?

my print platform will go to bottom when printing finished,this action will kill my LCD srceen(I am using 7' LCD + UV light position-fixed at bottom).

Is there some way to remove the last "go bottom" command in the printing process ?

thanks again.

I just reversed the setting for the direction pin on my stepper. If you can't do that, just swap the coil pairs.

Whatever you do, make sure your end stop is at the TOP of your axis, and just do a good z calibration by using the measure z-axis feature.

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#6 2017-03-22 05:52:48

yangbo
Member
Registered: 2017-03-21
Posts: 3

Re: Does nanodlp support bottom-up mode ?

thanks,
I will have a try,and share if successed.

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#7 2017-03-22 06:55:14

heavypoly
Member
Registered: 2017-01-12
Posts: 12

Re: Does nanodlp support bottom-up mode ?

You can just flip the motor connector backwards, same G code should work then.

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