Make: 3D Printing Projects

Make: 3D Printing Projects
Brook Drumm, James Floyd Kelly, Brian Roe, Steven Bolin, John Edgar Park, John Baichtal, Rick , Winscot, Nick Ernst, and Caleb Cotter
Contents
Preface xi

1. Lamp3D . 1
   Parts, Tools, and Files . 2
   Get Your Parts Printing! . 3
   Wiring the Barrel Jack . 3
   Add the LED Driver to the Barrel Jack 5
   Solder Wires to the LED . 6
   Assemble the Arm 8
   Connect the Base . 9
   Final Electronics Assembly 9
   Finishing Up 11
   Possible Upgrades and Improvements . 12
2. 1950s Raygun Pen . 15
   Parts, Tools, and Files 15
   Brainstorming the Raygun Pen . 17
   Selecting a Pen 17
   Prototyping the Grip 18
   Paper Sketch to SVG conversion . 19
   Importing into Tinkercad 21
   Rescaling and Adjusting the Imported SVG 22
   Testing the Prototype . 22
   Developing the NeoPixel Shell . 26
   Prototyping the Circuit 29
   Solder the PCB Headers . 29
   NeoPixel Animation . 31
   Download the Code 31
   iiiInstall the NeoPixel Library 31
   NeoPixel Ring Code . 32
   Connect the NeoPixel Ring 33
   Breadboard the Circuit 33
   Attach Jumpers to the Battery Box . 33
   Power, Ground and PCB Connections 33
   Pen Test 35
   Transferring the Circuit 36
   Hardwire the Headers . 37
   Spray-Paint the Mint Tin . 38
   Trace the Base 38
   Cut the Wiring Holes 38
   Begin Inserting Components into the Tin 39
   Final Electronics Assembly . 41
   Add the Grip 42
   Light It Up! 44
   Upgrades and Improvements 45
3. Two-Axis Camera Gimbal 47
   Parts, Tools, and Files 48
   Tilt Body Assembly 50
   Mount the IMU Board . 51
   Insert the Motor 52
   Seat the Bearing 53
   Roll Body Assembly . 55
   Route the Motor Wires 55
   Secure the Motor Mount 57
   Secure the Tilt/Roll Body Assembly 58
   Base and Roll Motor Mount Assembly 60
   Final Assembly and Balancing . 63
   Electronics Setup 67
   Solder the Headers . 67
   Plug in the IMU Board . 67
   Connect the Motors . 68
   Mount the Board 68
   Software Configuration 70
   Install the Software . 70
   Install the VCP Drivers . 70
   iv Make: 3D Printing ProjectsOpen the SimpleBGC GUI . 70
   Add the Battery . 70
   Connect and Begin Calibration 71
   Modify the Controller Settings . 72
4. BubbleBot . 77
   Parts, Tools, and Files 78
   Fabricate the Chassis 80
   Assemble the Chassis 81
   Paint the Chassis 82
   Assemble the Fan Mount 83
   Attach Fan to Chassis 84
   Attach the Stepper 85
   Attach the Shaft Coupler to the Axle . 85
   Make the Bubble Solution Reservoir . 85
   Print the Bubble Wand 86
   Assemble the Bubble Wand . 87
   Attach the Bubble Wand . 88
   Solder the Headers 89
   Solder the Stepper Wires 90
   Add Power Connections . 91
   Connect the Sensor . 92
   Add the Fan . 94
   Download and Customize the Code 95
5. DDriver Rechargeable Screwdriver . 97
   Parts, Tools, and Files 98
   Screwdriver Teardown: Can I Fix It? . 101
   Exploring the Innards 102
   Can I Just Replace the Motor? 102
   We Can Rebuild It! . 103
   Solder Wires to the Breakout . 104
   Prep the Plastic Parts . 105
   Light-Pipe Upgrade (Optional) 106
   Add the Electronics 108
   DPDT Switch Buttons! 115
6. Animatronic Eyes . 119
   Parts, Tools, and Files . 120
   Table of Contents v3D Printable Files 122
   Build and Assemble the Link Wires 124
   Bend Wire with Pliers 124
   Cut Wire to Length . 124
   Repeat for Different Lengths . 124
   Glue the straight 80mm wires to Micro Ball Links 125
   Assemble the Eyeball Gimbal . 126
   Connect the “L”-Shaped Links to the Drive Bars . 126
   Install the Ball Studs into the Eyelids 127
   Screw the Up/Down Drive Bar to the E-Bar 128
   Install the Outer Gimbal Rings 129
   Assemble the Eyeballs 130
   Install the Servos . 130
   Build the Servo Horns 132
   Set Up the Electronics 133
   Assemble the Servo Motor Shield 133
   Connect the Servo Shield to the Receiver . 134
   Load the Code . 135
   Final Connections . 136
   Installing and Centering the Servo Horns . 137
   Eye Servo Horn Adjustments . 137
   Adjusting the Offset Values in Code 138
   Eyelid Servo Horn Adjustments 140
   Install Eyelids 140
   Test the Eyes 143
   Enjoy Your Accomplishment! . 145
7. Inverted Trike RC . 147
   Parts, Tools, and Files . 148
   Printing Tips and Profiles . 150
   Baseline Settings 150
   Front Wheel Assembly . 152
   Front Steering Assembly . 155
   Back Wheel Assembly 157
   Frame Assembly . 159
   Steering Components 162
   Mount the Steering Servo 163
   Insert the Shock Absorbers 165
   vi Make: 3D Printing ProjectsElectronics . 168
   Insert the Speed Controller 168
   Connect the Wires . 170
   Adding the Receiver . 171
   Programming and Usage . 172
   Extras 173
8. Skycam . 177
   Parts, Tools, and Files . 178
   Assemble the Top Plate 180
   Attach Switches . 180
   Mount the servos 180
   Add the Wheels . 182
   Raspberry PI SD Software Setup 182
   Install Google Coder for Raspberry Pi . 183
   Google Coder . 184
   Coder Interface 185
   Install Pi-Blaster on Your Raspberry Pi . 185
   Install MJPG-Streamer and Enable Your Camera . 187
   Assemble the Midsection 190
   Mount the Raspberry Pi 190
   Add the Endstops 191
   Camera Assembly 192
   Add the Pan/Tilt Servos 192
   Assemble the Camera Case 192
   Mount the camera tilt arm . 195
   Attach the Camera to the Bottom Plate . 195
   Test Fit 197
   Connect Pi Camera 197
   Electronics! 197
   Power and Signal 198
   Power/Regulator Board 198
   Signal Board . 201
   Connect the Pi . 203
   Test the Software Controls 204
9. Chauncey: The Wrylon Robotical Flower Care Robot 209
   Files, Parts, and Tools . 210
   Table of Contents viiFabrication Phases . 214
   Print and Assemble the Legs and Feet 215
   Print the Body . 216
   Assemble the Body 216
   Glue and Friction-Weld the Body . 217
   Assemble the Leg Sockets . 219
   Add the Eye . 221
   Complete the Deck Rim, Railing, Deck, and Stovepipe . 221
   Test-Fit the Legs . 225
   Create the Watering Contraption . 227
   Mount the Watering Can . 227
   Electro-Mechanical Prep . 229
   Painting . 230
   Electro-Mechanical and Software Overview . 233
   Install the Arduino IDE . 234
   Install the Motor Shield Library . 234
   Chauncey’s Code 235
   Hardware Assembly 235
   Power LED . 236
   Alert LED 237
   Moisture Sensor Probes 237
   Heat and Bend the Tubing . 238
   Solder the Probe Wires . 241
   Moisture Sensor Circuit 242
   The Motor . 243
   Programming the Arduino . 245
   Upload the Code 245
   Place the Electronics . 246
   Brain Implant and Assembly 249
   Testing/Deployment . 251
   Upgrades 252
   Appendix A. Installing Arduino Libraries . 255
   Index 259
   Index
   A
   Actobotics, 80
   Adafruit
   Mini LiPo w/ Mini USB breakout, 103
   Motor Shield Library, 234
   animatronic eyes, 119-145
   electronics setup, 133-135
   eye gimbal assembly, 126-129
   eyeball assembly, 130
   eyelid installation, 140-142
   eyelid servo horn adjustments, 140
   final connections, 136
   link wire assembly, 124-125
   loading the code, 135-136
   parts, tools, and files, 120-121
   servo horns, 132, 137-140
   servo installation, 130
   testing, 143-144
   3D printable files, 122-123
   Arduino boards, programming, 245-248
   Arduino IDE installation, 234
   Arduino libraries, 31, 255-258
   B
   brainstorming, 17
   brass tubing, 238-241
   breadboarding, 33-36
   breakout boards, 104
   BubbleBot, 77-95
   assembly, 81-89
   attaching shaft coupler to axel, 85
   attaching stepper, 85
   bubble solution reservoir, 85
   bubble wand, 87-89
   chassis, 81-82
   fan mount, 83-84
   bubble wand, 86-89
   chassis fabrication and assembly, 80-82
   code downloading and customizing, 95
   electronics wiring
   adding power connections, 91-92
   connecting the fan, 94
   connecting the sensor, 92-93
   soldering the headers, 89
   soldering the stepper wires, 90
   fan mount assembly and attachment, 83-84
   parts, tools, and files, 78-79
   C
   camera gimbal, 47-75
   assembly and balancing, 63-66
   base and roll motor mount assembly, 60-62
   electronics setup, 67-69
   IMU board mount, 51
   parts, tools, and files, 48-50
   259roll body assembly, 55-59
   software configuration and installation,
   70-75
   Tilt Body assembly, 50-53
   cameras (see camera gimbal; Skycam)
   capacitors, 102
   chassis, wooden, 80-82
   Chauncey the florabot, 209-253
   Arduino programming
   brain implant and assembly, 249-250
   placing electronics, 246-248
   uploading the code, 245
   body assembly, 216-226
   attaching the eye, 221
   deck rim, railing, deck, and stovepipe,
   221-224
   friction welding, 218
   leg sockets, 219-220
   legs, 225-226
   body printing, 216
   brain implant and assembly, 249-250
   code overview, 235
   creating watering contraption, 227
   electromechanical overview, 233-235
   Arduino IDE installation, 234
   Motor Shield Library installation, 234
   electromechanical prep, 229-230
   fabrication phases, 214
   hardware assembly, 235-244
   brass tubing, 238-241
   moisture sensor circuit, 242
   moisture sensor probes, 237-243
   motor, 243-244
   power LED, 236-237
   soldering probe wires, 241
   legs and feet printing/assembly, 215-216
   painting, 230-232
   parts, tools, and files, 210-214
   testing and deployment, 251
   upgrades, 252
   circuits
   breadboarding, 33-36
   prototyping, 29-31
   transferring to project enclosure, 36-39
   code, adjusting offset values in, 138
   Cura, printing tips and profiles, 150-151
   D
   double-pole, double-throw (DPDT) switch, 102,
   115-117
   F
   fan mount, 83
   fan, squirrel cage, 80
   flower-care robot (see Chauncey the florabot)
   frame assembly, 159-162
   friction welding, 218
   G
   getting help, xvi
   gimbals, 126-129
   Google Coder, 177, 183-185
   GoPro, gimbal for (see camera gimbal)
   H
   Hall effect sensor, 92-93
   headers
   hardwiring, 37
   soldering, 89
   hole objects, 23
   hub carriers, 155-156
   I
   IMU board, 51, 67
   infill, 151
   Inverted Trike RC (see RC inverted trike)
   L
   Lamp3D, 1-12
   adding LED driver to barrel jack, 5-6
   assembly, 8-10
   barrel jack wiring, 3-4
   completion, 11
   parts, tools, and files, 2
   260 Indextroubleshooting, 11
   upgrades and improvements, 12
   LanScan, 185
   Lay Flat tool, 151
   layer height, 151
   LED lamps (see Lamp3D)
   LEDs
   changing color, 32
   soldering, 236-237
   wiring, 5-7
   libraries
   Adafruit Motor Shield Library, 234
   adding, 235
   Arduino, 31
   Neopixel, 31
   light-pipe, 106-107
   link wire assembly, 124-125
   M
   makercase.com, 86
   mint tins, 26
   moisture sensor circuit, 242
   moisture sensor probes, 237-243
   Motor Shield Library installation, 234
   motor/motor shield, 243-244
   MPG-Streamer, 187-189
   N
   nano text editor, 189
   NeoPixel animation
   NeoPixel library, 31
   NeoPixel Ring, 17
   NeoPixel Ring code, 32
   NeoPixel shell, 26-27
   NinjaFlex, 152
   NTM Prop Drive Motor, 157
   O
   online-convert.com, 20
   P
   Pi-Blaster, 185-187
   Pololu, 102
   power/regulator boards, 198-201
   print orientation, 151
   printing tips and profiles, 150-151
   probe wires, soldering, 241
   prototyping, 18-26
   circuits, 29
   pitfalls, 28
   PWM Servo Driver Library, 135
   R
   Raspberry Pi, 177, 182-191
   connecting to camera, 203-204
   enabling camera function, 187-189
   Google Coder for, 183-185
   mounting to Skycam, 190
   MPG Streamer for, 187-189
   Pi-Blaster installation, 185-187
   raygun pen, 15-45
   brainstorming for, 17
   breadboarding the circuit, 33-36
   circuit transfer, 36-39
   final assembly, 41-42
   hollow grip, 23
   illumination, 44
   NeoPixel shell, 26-27
   parts, tools, and files, 15
   pen selection, 17
   prototyping the circuit, 29
   prototyping the grip, 18-26
   SVG file, 19-22
   testing the prototype, 22-26
   upgrades and improvements, 45
   RC inverted trike, 147-175
   assembly
   back wheels, 157-159
   frame, 159-162
   front steering, 155-156
   front wheels, 152-154
   electronics setup, 168-171
   adding the receiver, 171-171
   Index 261connecting wires, 170-171
   speed controller, 168
   extras, 173-175
   parts, tools, and files, 148-150
   programming and usage, 172-173
   steering components, 162-167
   wings and bumper, 173-175
   rechargeable screwdriver, 97-117
   adding electronics, 108-115
   charging options, 104
   dismantling and troubleshooting, 101-102
   DPDT switch button, 115-117
   light-pipe upgrade, 106-107
   parts, tools, and files, 98
   plastic parts prep, 105
   redesign goals, 103
   solder wires to breakout, 104
   remote-control car (see RC inverted trike)
   retrofitting existing object (see raygun pen)
   robots (see Bubblebot; Chauncey the florabot;
   Skycam)
   roll body
   assembly, 55-59
   balancing, 63-66
   roll motor mount, 60-62
   rotary tool use, 218
   S
   scanning software, 185
   Schmartboard, 29
   servo horns, 132, 137-140
   servo library (see PWM Servo Driver Library)
   servo mount, 130, 160
   servo shields, 133, 134-135
   servo steering arm, 162-165
   servos
   attaching to wheel mounts, 180-181
   camera pan/tilt, 192
   shaft coupler, 85
   shell thickness, 151
   shock absorbers, 165-167
   signal boards, 201-203
   SimpleBGC GUI, 70
   Skycam, 177-206
   adding endstops, 191
   camera assembly
   camera case, 192-195
   pan/tilt servos, 192
   tilt arm mounting, 195
   camera, attaching, 195
   midsection assembly, 190
   parts, tools, and files, 178-180
   power and signal, 197-203
   battery choices, 198
   power/regulator board, 198-201
   signal board, 201-203
   Raspberry Pi
   connection, 203-204
   mounting, 190
   setup, 182
   (see also Raspberry Pi)
   testing software controls, 204-206
   top plate assembly
   adding wheels, 181
   attaching switches, 180
   mounting servos, 180-181
   speed controller, 168, 172
   squirrel cage fan, 80
   steering hubs, 155-156
   steering servo, 162-165
   stepper, 85
   soldering wires, 90
   structure type, 151
   superglue, 105
   support setting, 151
   SVG files, rescaling and adjusting, 22
   SVG format, importing to, 19
   T
   3D printing tips and profiles, 150-151
   Tilt Body, 50-53, 58
   Tinkercad, 19-22, 103
   tires (see wheel assembly)
   Trinket, 17
   connections, 33
   262 IndexV
   VCP drivers, 70
   video stabilization (see camera gimbal)
   W
   wheel assembly, 152-154, 157-159

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