- https://www.google.com/search?q=mechanik+einseitiger+hebelarm+spinning&tbm=isch&source=iu&ictx=1&fir=D9TqSqh4rw3j6M%253A%252CQHQ4NXDr6fXgXM%252C_&vet=1&usg=AI4_-kRuVRhQVYpllwQQihzSj9_4oKrhng&sa=X&ved=2ahUKEwiXlt6yjqHiAhWOalAKHeU6DocQ9QEwE3oECAgQCg#imgrc=o10MN_dRQ78ahM:&vet=1
- https://howtomechatronics.com/tutorials/arduino/how-to-control-stepper-motor-with-a4988-driver-and-arduino/
- https://www.google.com/search?q=drv8825&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjf2sWuv8HiAhWLDxQKHXyvAkAQ_AUIDigB&biw=1425&bih=798&dpr=2#imgrc=nS-k2lNHhGHv0M:
- https://www.123-3d.nl/123-3D-Leadscrew-moer-TR8x8-i1560-t12745.html
- https://www.google.com/search?q=stepper+driver+arduino&oq=stepper+driver+arduino&aqs=chrome..69i57j69i65l2j0l3.5551j0j7&sourceid=chrome&ie=UTF-8
- https://reprapworld.nl/products/motoren_fans/koppelingen/flexibele_motorkoppeling_6_35_mm_8_mm/?f=gs&mkwid=sW9EMgEPg_dc|pcrid|301315843193|pkw||pmt||slid||prid|1523&pgrid=58873543863&ptaid=pla-537577356453&gclid=CjwKCAjw5dnmBRACEiwAmMYGOeWtmbtYOau86yHDvfNb8B3-MHhjqXQkIIRurBxrvWcdxTzkf43faBoCy4gQAvD_BwE
- https://www.mtc-hannover.de/modellbau/tipps-tricks/90-einfacher-spindelantrieb-selbst-gebaut
- https://www.123-3d.nl/3D-printer-onderdelen-p296.html
- https://www.google.com/search?q=high+torque+stepper+driver&oq=high+torque+stepper+driver&aqs=chrome..69i57j0.14742j0j4&sourceid=chrome&ie=UTF-8
- https://www.robotshop.com/eu/en/stepper-motor-controllers.html
- https://forum.arduino.cc/index.php?topic=520956.0
- https://www.schmalzhaus.com/EasyDriver/Examples/EasyDriverExamples.html
- construction like a skeleton instead of a rectangle
- https://www.tech-specialist.com/nl/aluminium-profielen/profielverbinders?p=3
- https://www.tech-specialist.com/nl/aluminium-profielen
- https://www.tech-specialist.com/nl/aluminium-profiel-bsb-40x40-l-1007533
- https://www.tech-specialist.com/nl/
- https://www.houthandelonline.nl/zachtboard-treezacht-10mm-verpakt-uitsluitend-per-10-stuks-10mm-244x122cm
- https://www.houthandelonline.nl/plaatmateriaal/hardboard-zachtboard/zachtboard-treezacht-10mm-verpakt-uitsluitend-per-10-stuks
- https://www.houthandelonline.nl/plaatmateriaal/hardboard-zachtboard/pastelboard-wit
- https://www.houthandelonline.nl/lakboard-pastelboard-wit-32mm-244x122cm
- https://www.google.com/search?q=hdf+plaat&oq=hdf+&aqs=chrome.4.69i57j69i60j0l4.4687j0j7&sourceid=chrome&ie=UTF-8
- https://www.obi.de/regalboeden-moebelbauplatten/rueckwandplatte-hdf-einseitig-weiss-140-cm-x-103-cm/p/7451180
- https://www.plakfoliewebshop.nl/breed-spiegel-folie-dc-fix-90cm
- https://www.ebay.de/itm/Sichtschutzfolie-100cm-x-4m-Spiegelfolie-Fensterfolie-selbstklebend/202364842649
- https://www.google.com/search?q=spiegel+folie+1m+breit&oq=spiegelfolie+1m&aqs=chrome.2.69i59j0l2.5504j0j7&sourceid=chrome&ie=UTF-8
- https://www.vidaxl.nl/e/8718475593102/vidaxl-privacyfolie-reflecterend-spiegelend-zelfklevend-09x20-m
- https://www.amazon.de/dp/B01FC1PP4C/ref=sspa_dk_detail_4?psc=1&pd_rd_i=B01FC1PP4C&pd_rd_w=euCIC&pf_rd_p=00903874-3af0-47e0-8622-ee58087f71cf&pd_rd_wg=klVbK&pf_rd_r=EJZA4XN5KJ75RFPC5TMJ&pd_rd_r=dd5587b5-80b0-11e9-9ba9-efd7dbb5ae8f
- http://stanleyprojects.com/projects/laser/arduinolaser/
- https://www.google.com/search?biw=1425&bih=798&tbm=isch&sa=1&ei=tfjnXNflJsXIrgTZvLDgCA&q=mirror+stepper+installation&oq=mirror+stepper+installation&gs_l=img.3...24857.26721..27129...1.0..0.205.608.5j1j1......0....1..gws-wiz-img.dbrPDGiCaQM#imgrc=0hdeGw88KTGrAM:
- https://vimeo.com/287281895
- https://www.creativeapplications.net/environment/power-of-one-point-refracting-laser-light-installation-by-shohei-fujimoto/