Since the manual is quite big (>30 MB right now) it is difficult to view for people with limited (mobile) connection. Some kind of flyer/product page could increase this since the Open3DScanner has no own website.

There were several people that expected that the Open3DScanner performs the full photogrammetry pipeline. From taking photos to generating textured meshes. Everything happening on the smartphone.

Maybe this should be pointed out better.

During the scan the "Taking photo:" line is not centered and in reality the number of photos taken is shown, not the number of the next photo taken.

Currently the microstepping is wired to 16th microstepping and cannot be changed. Adding jumpers to the corresponding pins would allow to switch to different stepping modes.

The documentation does not state that it is possible to remove the back plate and store it below the base plate, using the footholder clamps.

A good candidate is the KY-040 rotary encoder module. It allows a better mounting of the rotary encoder.

In addition the arduino library used for interacting with the rotary encoder should be changed since the one currently used is very basic compared to others.

for chapter 2 there are cheaper mechanical or by hand turntables. One such device is a cd/dvd pack of 50 case spindle.

Right now you have to move the turntable into the desired position and then start the scan via the knob.

The press of the knob is the moment the motors get activated.

It would be more comfortable if this "configuration step" could be performed via the knob.

When a scan is paused by pressing the knob the user is asked if the scan should be aborted.
Ignoring the selection the scan is always aborted.

Also it seems that the initial value is wrong.

The LED stip is distributed on a good area and provides uniform light in this area, but the individual LEDs can create some shine on the scanned object. A diffuser could improve the light quality.

Providing example scans (maybe as part of the manual) can help regarding amount of photos/orientations and reconstruction settings.

At this point the scanner is not aware of its motor positions at all.

Some kind of endstop (optical or mechanical) to get a defined orientation on the rotor (x-axis) would allow better movements.

Right now not all holes on the rotorarm can be used to mount the turntable arm to the stands (at least when using a full size stepper motor), because the stands are not tall enough.

In some situations the lights are not turned off even though they should be.

This holds true at least for the following states:

• When a print gets aborted
• When the lights are turned on in the debug menu and the debug menu is exited.

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