[Open Filament] da Vinci Super 3D Printer/ Upgradable Laser Engraver – 12x12x12″ Built Volume & Multi-Material

12″ x 12″ x 12″ Inches Built Volume

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CPAP Hacked into Super Charged 3D Printer Cooler

Of all the parts on your average desktop 3D printer, the nozzle itself is arguably where the real magic happens. Above the nozzle, plastic is being heated to the precise temperature required to get it flowing smoothly. Immediately below the nozzle there’s a fan blowing to get the plastic cooled back down again. This carefully balanced arrangement of heating and cooling is the secret that makes high quality fused deposition modeling (FDM) printing possible.

But as it turns out, getting the plastic hot ends up being easier than cooling it back down again. The harsh reality is that most of the fans small enough to hang on the side of a 3D printer nozzle are pretty weak. They lack the power to push the volume of air necessary to get the plastic cooled down fast enough. But with his latest project, [Mark Rehorst] hopes to change that. Rather than using some anemic little fan that would be better suited blowing on the heatsink of a Raspberry Pi, he’s using a hacked CPAP machine to deliver some serious airflow.

The brilliance of using a CPAP machine for this hack is two-fold. For one, the machine uses a powerful centrifugal fan rather than the wimpy axial “muffin” fans we usually see on 3D printers. Second, the CPAP pushes air down a lightweight and flexible hose, which means the device itself doesn’t have to be physically mounted to the printer head. All you need is manifold around the printer’s nozzle that connects up to the CPAP hose. This “remote” fan setup means the print head is lighter, which translates (potentially) into higher speed and acceleration.

[Mark] was able to connect the fan MOSFET on his printer’s SmoothieBoard controller up to the brushless motor driver from the CPAP motor, which lets the printer control this monster new fan. As far as the software is concerned, nothing has changed.

He hasn’t come up with a manifold design that’s really optimized yet, but initial tests look promising. But even without a highly optimized outlet for the air, this setup is already superior to the traditional part cooler designs since it’s got more power and gets the fan motor off of the print head.

Getting your 3D printed parts to cool down is serious business, and it’s only going to get harder as printers get faster. We wouldn’t be surprised if fan setups like this start becoming more common on higher-end printers.

Elegoo UNO Project Super Starter Kit with Tutorial for Arduino

Elegoo Inc. is a professional manufacturer and exporter that is concerned with the design, development production and marketing of arduino, 3d printers, raspberry pi and STM32.
Our Dream is to make the best price and best quality produce for customers.
So we would like to receive your valuable suggestions for our products and we can improve them for you.

Component listing:
1pcs UNO R3 Controller Board
1pcs LCD1602 Module ( with pin header)
1pcs Breadboard Expansion Board
1pcs Power Supply Module WARNING: Pls. do not use the voltage higher than 9V
1pcs Joystick Module
1pcs IR Receiver
1pcs Servo Motor (SG90)
1pcs Stepper Motor
1pcs ULN2003 Stepper Motor Driver Board
1pcs Ultrasonic Sensor
1pcs DHT11 Temperature and Humidity Module
1pcs 9V Battery with DC
1pcs 65 Jumper Wire
1pcs USB Cable
1pcs Active Buzzer
1pcs Passive Buzzer
1pcs Potentiometer
1pcs 5V Relay
1pcs Breadboard
1pcs Remote
1pcs Tilt Switch
5pcs Button (small)
1pcs 1 digit 7-segment Display
1pcs 4 digit 7-segment Display
5pcs Yellow LED
5pcs Blue LED
5pcs Green LED
5pcs Red LED
1pcs RGB LED
2pcs Photoresistor
1pcs Thermistor
2pcs Diode Rectifier (1N4007)
2pcs NPN Transistor (PN2222)
1pcs IC 74HC595
120pcs Resistor
10pcs Female-to-male Dupont Wire

Product Features

  • Free PDF tutorial(more than 22 lessons) and clear listing in a nice package
  • The most economical way to starting Arduino programming for those beginners who are interested
  • Lcd1602 module with pin header (not need to be soldered by yourself)
  • This is the upgraded starter kits with power supply module, 9V battery with dc
  • High quality kite with uno R3, 100 percent compatible with Arduino uno R3

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Aluoflower TMC2100 Stepper Motor Driver Super Silence Module Heat Sink for 3D Printer Parts


100% brand new and high quality.
Drive current algorithm and regulation.
1. drive current algorithm: i=Vref*1.9/2.5, the default Vref about 0.65v, so the default current 0.5A, the maximum current 1A
2. Vref measurement of Gnd and potentiometer intermediate voltage.
3. Don’t connect to the motor when measuring voltage, otherwise it is easy to burn the drivers.
4. the measurement of the voltage should be switched on. Don’t just connect the USB power supply.
Attention: please put TMC2100 drivers in the correct direction on the board.

Use of the TMC2100 drive module:
1. When use in the Ramps1.4 or MKS Gen, or Lerdge touch screen motherboard, please remove the 3 jumper cap under the socket.
2. Please pay attention to direction.
3. The heat sink directly attached to the PCB.
4. The motor direction is opposite to that of A4988 and DRV8825, please adjust the firmware or adjust the motor wiring if you want to change to 4988.
And if you use the Lerdge motherboard, please set the direction directly in the setting page of direction of the motor.

Name: TMC2100 Stepper Motor Driver
Color: White + Blue
Size: 2×1.5×1.2cm / 0.79×0.59×0.47in (Approx.)
Heat Sink size: 1.2×0.9×1.2cm/0.47×0.35×0.47in (Approx.)
Application: 3D printing
Quantity: 1PC (other accessories demo in the picture is not included)

Package includes:
1 X TMC2100 Stepper Module With Heat Sink

Product Features

  • 100% brand new and high quality.
  • Super silence in working.
  • Drive current algorithm: i=Vref*1.9/2.5, the default Vref about 0.65v, the default current 0.5A, the maximum current 1A
  • Size: 2×1.5×1.2cm / 0.79×0.59×0.47in (Approx.)
  • Heat Sink size: 1.2×0.9×1.2cm/0.47×0.35×0.47in

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34 pc 3D Pen Filament Refills ABS | 680 Linear Feet | 1.75mm ABS Pack of 34 Different Colors (4 Glow in the Dark) | Artist Quality 3D Printing Material Super Fun Pack | 20′ Per Color | SmashZen

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