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gzumwalt
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My basement in Oklahoma, US
Joined February 1st, 2017
212
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Our grandkids keep me busy!
Greg Zumwalt
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Geneva Clock
136
9.8K
Penguin on Ice
50
4.8K
Marblevator, Loop 2.
42
3.9K
Marblevator, Marble Launch Mechanism.
1
637
Christmas Tree, 2023.
8
1.2K
Marblevator, Simple, Halloween
2
461
Marblevator, Less Simple, Less PLA.
34
2.8K
Marblevator, Simple.
122
9.5K
Pinwalker Penguin
7
1.0K
Penguin at the Pole.
20
2.1K
A "Do Nothing" Dominoes Box.
55
4.5K
Marblevator, Clown.
12
1.9K
Marblevator, Floating Tracks.
4
413
Marblevator, Tracks.
14
1.5K
A Playing Card Holder for Lora.
2
321
Marblevator, Line Follower.
45
6.1K
Marblevator, Emoji.
16
1.3K
Marblevator, Grippers
54
4.9K
Marblevator, Hill Climb (and Descent)!
11
1.8K
Marblevator Pick and Place, Version 4.
148
9.5K
A Case and Calculator for the Lilygo T-Display-S3 Touch Development Board.
5
1.8K
Marblevator, Paddle Lift.
105
7.6K
For My Valentine, 2023.
15
1.7K
T-Display-S3 NTP Clock
8
4.0K
A Simple 3D Printed Whitworth Quick Return Mechanism
5
968
A Simple 3D Printed Scotch Yoke Mechanism.
6
1.2K
A 3D Printed Kinetic Marble Machine.
152
13K
A 3D Printed Dancing Snowman
9
1.3K
A 3D Printed Dancing Christmas Tree
7
1.3K
Marblevator, Clouds.
37
4.0K
A 3D Printed Windup Car Using a "Runaway Escapement" Speed Regulator.
80
5.6K
Marblevator, "The Ferris Wheel at the Pumpkin Patch"
47
3.3K
A 3D Printed Slinky Machine
72
5.1K
Marblevator, Golf
50
4.2K
A New Marblevator.
21
1.8K
Marblevator, Pick and Place, Version 3
82
5.9K
Marblevator, Pick and Place, Version 2.
88
7.3K
Marblevator, Perpetual?, Cradle.
69
6.6K
Marblevator, Perpetual?, Version 2.
125
10K
Marblevator, Pick and Place
197
13K
"Walk N' Roll!"
63
8.6K
Sink Stopper
437
Wacky Walker
101
7.5K
Crayon Car Mechanism.
133
13K
Butterfly Automaton
83
6.0K
Marblevator, Caterpillars
76
6.9K
Marblevator, Perpetual?
132
11K
MicroWave
56
4.4K
Marblevator, Wave
155
32K
Valentine Heart Pinwalker.
28
4.8K
A 3D Printed GT2 Profile TPU Belt With PLA Sprockets.
16
4.0K
Marblevator, Circus
112
10K
Rack and Pinion, 3 to 1 Stroke.
92
9.9K
Marblevator, Halloween.
11
1.7K
Marblevator, Christmas Tree.
35
4.4K
Marblevator, Wheel and Spirals
5
788
Marblevator, Spiral Disk.
36
2.6K
Marblevator, Spirals.
9
1.1K
Marblevator, Wheels, Vertical
50
4.4K
Marblevator, Wheels
15
1.4K
A 3D Printed Seven Segment Electro-Mechanical Single Motor Driven Display.
120
7.2K
A 3D Printed Balloon Powered "Jet" Car With Inflator.
43
3.6K
3D Printed Rope Puzzler
19
2.1K
Darth 3.0: a 3D Printed Animated Darth Vader Helmet.
70
10K
A 3D Printed Simple Mechanical Frog 2.0.
8
1.6K
A 3D Printed Simple Mechanical Frog.
1
1.2K
A (mostly) 3D Printed Air Pump.
13
5.2K
Darth 2: a 3D Printed Animated Darth Vader Helmet.
164
35K
A 3D Printed Animated Valentine Heart for My Valentine!
206
16K
A 3D Printed Snake Automaton.
112
11K
3D Printed "Pegs and Jokers" Game.
12
2.8K
3D Printed Christmas Billboard.
60
15K
A 100% 3D Printed Linear Snap Action Mechanism.
111
19K
A 3D Printed Animated Angel Christmas Tree Topper.
16
4.1K
Last Date.
7
3.5K
Cycloidal Disk Electro Mechanical Timer.
40
5.8K
Designing a 3D Printable Hexagonal "Twisty Vase" Using FreeCAD.
1
1.8K
FreeCAD Design of the Base of My "Refrigerator Rover" Model.
4
1.4K
Refrigerator Rover
30
3.5K
Designing a Simple 3D Printed Rubber Band Car Using FreeCAD
9
2.6K
A Simple 3D Printed "Walking" Mechanism.
108
9.9K
"Bolt Box", a Simple to Print But Hard to Solve 3D Puzzle
29
3.9K
A Trio of "Keychain Puzzles".
58
4.4K
"Rarity", a 3D Printed Automaton
74
5.6K
Levitation, a 3D Printed Automaton Illusion.
56
8.8K
"Lora and I", a Simple 3D Printed Automaton.
10
3.1K
Life Is a (Boundless Supply Of) Cabernet!
19
2.9K
3D Printed Magnetic Tensegrity Model
23
3.0K
3D Printed "Tensegrity" Model
15
3.4K
The "Calamari Kid".
127
13K
Mac N' Cheese
99
9.8K
The "Magic Chef", a 3D Printed Automata.
75
8.9K
Geared Heart Version 2.0
60
7.2K
How I Designed a 3D Printable Valentine Heart Gift Box Using Autodesk Fusion 360
1.8K
"Batman" Themed Picture Frame
1
1.2K
"No Fall" Toy Mechanism
125
10K
Robotic Nutcracker Pin Walker
37
12K
Robotic Cam Steered Vehicle
52
4.9K
Robotic Christmas Teapot Multi-Color With Single Extrusion
619
Robotic Christmas Teapot
11
3.4K
Hopper.
67
7.4K
Carousel II
10
2.9K
The "Nuts and Bolts" of How I Design, 3D Print and Prepare Nuts and Bolts.
14
5.2K
Snowman Pin Walker
10
2.6K
Motorized, Articulated T Rex(ish) Pin Walker
208
18K
Autodesk Fusion 360 Parametric Table
36
10K
Happy Halloween "Somewhat Stretchy" Bracelet.
908
Marblevator, Magnetic Tracks
90
6.5K
Halloween Happy Ghost Pin Walker.
22
3.0K
Ultimaker Robot "Pin Walker".
21
3.5K
RIP Skeleton
51
10K
Walking Pumpkin II
27
5.0K
Fab Lab Tulsa Trophy and Dancing Robots
32
4.9K
Pink and Green Domino Machine II
234
28K
Six Medals.
1
1.2K
Designing a Cosplay Dagger Using Autodesk Fusion 360.
1
1.9K
Hummingbirds.
94
16K
3D Printed Bowl
2
2.1K
Simple Ball Bearing Car
43
5.5K
3D Printing Maker Design Lab's Silhouette Vase.
16
2.4K
Three Candles
2
1.4K
Inductive Candle
83
18K
How I Designed a Simple Threaded Container With Autodesk Fusion 360.
10
4.7K
3D Printed Print in Place Plate Holder
7
5.0K
DuckBunny
10
2.0K
Perpetual Motion Da Vinci Style IV
36
3.9K
Perpetual Motion Da Vinci Style III
84
10.0K
Perpetual Motion Davinci Style II
165
20K
ESP32 NTP Temperature Probe Cooking Thermometer With Steinhart-Hart Correction and Temperature Alarm.
53
12K
ESP32 Capacitive Touch Input Using "Metallic Hole Plugs" for Buttons
53
14K
How I Designed a 3D Printed Windup Car Using Autodesk Fusion 360.
107
16K
Designing a Simple 3D Printed Rubber Band Car Using Autodesk Fusion 360
114
18K
Windup Bunny 2 With a PLA Spring Motor and Floating Pinion Drive
40
4.3K
Floating Pinion Demonstrator 2
16
3.7K
PLA Spring Motor Demonstrator 2
73
11K
Geared Heart Message Pendant
24
3.0K
Parametric Print in Place Hinge
25
10K
Valentine Heart Pendant
645
Designing a Parametric Parametric "Print in Place" Hinged Container
303
24K
Darth
70
23K
Ping Pong Popper
90
9.7K
Digital Auto Correcting Clock With Chimes and Daylight Savings Time
13
2.3K
3D Printed Mantel Style Auto Correcting Clock With Chimes and Daylight Savings Time
42
6.4K
3D Printed Snowman Tea Light
3
847
Stepper Motor Test Fixture
15
9.0K
'Antique' Auto Correcting Analog Clock
45
6.5K
Bell Ornament With Stand
13
1.4K
Simple Secret Box V: Gift Box Edition
33
4.3K
Animated & Illuminated Happy Ghost
41
4.8K
Tea Light Ghost Lamp
3
1.0K
Simple Secret Box IV: Jack O'Lantern Coin Box
15
2.3K
Red Baron II: Hand Launched Biplane Glider
54
5.2K
Simple Secret Box II: Coin Bank
42
7.1K
Red Baron Hand Launched Glider
48
5.7K
Complaint Button II: Hammer Time
65
6.7K
WiFi Propeller Boat II
65
5.7K
3D Printed Replacement Lamp Knob
1
2.2K
WiFi Propeller Boat
64
6.2K
Ping Pong Trophy
1
2.0K
WiFi Paddle Boat.
199
22K
Fab Lab Tulsa 1 (FLT1)
89
7.7K
Fab Lab Tulsa Paddle Boat
2
1.2K
Apple Coin Bank
30
4.2K
Marblevator Mini, Loop.
174
13K
Marblevator, Mechanisms.
26
5.3K
Complaint Button.
91
11K
Horse, Prototype
157
19K
Hummingbird 25mm Motor Adapter
5
1.8K
Hummingbird
352
52K
Best Dressed Leprechaun Trophy
1.2K
XOXO
714
WiFi Kit 32 NTP Clock
44
26K
Heltech WiFi Kit 32 Based Network Scanner
27
16K
Money Maker!
132
24K
Santa Sleigh, Wifi Edition
3
2.1K
Motorized WiFi Controlled Chassis
50
5.3K
Model Aircraft Styled Air Engine, Experimental
33
7.3K
Lady Buggy, WiFi Edition
75
6.8K
3D Printed "Wobbler" Style Air Engine
34
5.9K
Intelligrill®, Powered by Feather.
94
9.4K
Scissor Jack O'Lantern
26
2.0K
Pseudo Secret Ring Box
25
3.1K
Single Cylinder Air Engine, Experimental
105
10K
Four Cylinder Air Engine, Experimental
162
18K
Flying Pumpkin (Balloon)
46
7.3K
Ballerina in Petals
21
4.0K
Butterfly, Animated.
99
8.8K
Lora's Giraffe
3
1.1K
Bantam Biplane
9
860
Marblevator Air
134
10K
Pterodactyl, Pseudo Style
76
5.1K
Perseverance Petite, Motorized
25
3.2K
Perseverance, Petite
90
7.8K
SS OhNo
14
2.8K
Two Balancing Bats
8
1.5K
From the Earth to the Moon
9
2.9K
Saber 2
84
9.7K
The Design of "Cylinder Notes MHALL.stl".
37
2.8K
Two Air Pumps
60
7.6K
Four Whistles Version 2
226
19K
Balloon Powered Single Cylinder Air Engine Open Chassis
104
10K
Four Whistles
36
4.4K
Balloon Powered Single Cylinder Air Engine Toy Train
104
12K
Single Cylinder Air Engine Balloon Powered Rolling Chassis
259
51K
Dual Mode Windup Car
189
19K
Pencil Puzzler Revisited
120
32K
Single Cylinder Air Engine Smaller Edition
41
7.0K
Marblevator Baby Steps Revisited
37
4.3K
Tabletop Pull Back Tri-Mode Spring Motor Rolling Chassis
185
16K
Single Cylinder Air Engine
274
30K
Twin Tops
17
2.3K
A Message From the Heart
17
1.4K