quadcopter #8
flying near rivers and lakes always comes with a certain probability that a quadcopter crashes into the water, disappearing forever. while my designs are somewhat cheap, the loss of the camera and other equipment would still hurt. therefore i designed a quadcopter with a lot of buoyancy. the quadcopter consists of a 4 mm layer […]
quadcopter #7
this quadcopter has already gone through multiple design iterations. three of these made it into actual flying machines. the design plans for the first can be found here: http://www.thingiverse.com/thing:113703. the design plans for the second can be found here: http://www.thingiverse.com/thing:167001. the third is not yet on thingiverse. the following pictures show the various design iterations: […]
quadcopter #6
this is the first laser cut poplar plywood quadcopter. it is a very lightweight design having a takeoff weight of around 550 grams (including lipo 2s 2200mah). design by sini
3d scanner #4
this 3d laser scanner is the most complete system i have built so far. it features a calibration system that is used to calibrate the camera as well as the position of the laser relative to the camera. the main components of the system are: line laser with drive usb webcam calibration object control software […]
3d scanner #3
it seemed interesting to scan an object not just from one side but all around in one pass. a rotating table on which the object can be placed would do just fine. other than that this scanner is very similar to the 3d scanner #2. in order to improve capturing of dark surfaces i built […]
3d scanner #2
my first 3d laser scanner was a proof of concept device. therefore it’s a relatively simple setup with a usb camera, a stepper motor controller, a stepper motor on which a line laser is mounted and a simple program to run the system. camera distortions are partially corrected but the system is not calibrated as […]
3d scanner #1
my first 3d scanner is a touch probe scanner that scans very accurately at a very high resolution along each axis. the scanner works very slowly since the probe has to be moved into contact with the object at every point on the xy-coordinate grid. some of the results can be seen in the following […]
quadcopter #5
this is my second foldable quadcopter. since the first foldable quadcopter suffered heavily from vibrations the design had to be made much stiffer. this was achieved by increasing the diameter of the carbon rods, shortening of the rods and increasing the diameter of its body. the design of the quadcopter can be found here. the […]
quadcopter #4
this is my first foldable multiwii quadcopter. it is a very lightweight design and therefore prone to vibrations. in fact, the vibrations were so strong that it was very difficult to fly this multirotor.
quadcopter #3
this quadcopter is almost the same as quadcopter #1 except for its lighter aluminum tubes, a modified landing gear and a support plate for all the fpv electronics. it also features an attachment point for a gopro camera with vibration insulation. since the camera is mounted near the cog of the quadcopter the propellers are […]