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Featured Customer Doblet

Doblet Goes From 3D Printing to Injection Molding

Doblet Goes From 3D Printing to Injection Molding—Faster Iterations and Better Development For This Growing San Francisco Bay Area Company

Doblet is the world’s first network of batteries on demand for charging phones everywhere. The company’s mission is to provide portable power anywhere consumers happen to be. Using patent-pending technology and the Doblet mobile app on iOS or Android devices, users are instantly notified of the nearest place to pick up a charge the moment their batteries start to run low.

In developing the product, Doblet faced a number of challenges endemic to hardware startups and utilized a range of Fathom’s advanced manufacturing services throughout their product development process. Fathom sat down with Co-Founder Jeff Chang to discuss Doblet, the startup struggle and 3D printing.

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Fathom consistently works with companies that view common problems as challenges and look for creative fixes. What is the story behind Doblet? 

Jeff Chang—Doblet solves the phone battery problem.

We’re building a network of smart portable batteries, so you can charge your phone anywhere.  We put our batteries in bars, restaurants, coffee shops, gyms, hotels, libraries, museums, co-working spaces and all sorts of other venues.  When you run low on charge, just pick up a Doblet, charge your phone, then drop the Doblet back off.

Doktor, my co-founder, was at a bar in San Francisco, charging his phone with an external battery.  The guy next to him asks, “Mind if I borrow that battery after you’re done?  I’ll buy you a beer!”  The guy on the other side says, “I’ll buy a beer for both of you, if you can charge my phone too!”

Doktor wondered why charging wasn’t just readily available, right where & when you needed it.  And so Doblet was born.

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Were there any challenges during development for Doblet that only proved solvable through working with Fathom?

Jeff—Yes; we were facing a tight deadline, with the need for a moderately small production volume (5000-range) on a set of large injection molded parts.  Fathom was the best firm we could find, for high-quality injection molding on short notice, who would also provide secondary processes (pad printing, etc.) and shipments directly to our US manufacturers warehouse in Shenzhen.

Did 3D printing allow you to test more prototypes or to speed your product development?

Jeff—Fathom provided excellent-quality high-accuracy 3D printing work during the prototyping stage, matching our need for narrow tolerance ranges on large parts. Having physical prototypes to see, handle and feel are key to any product development cycle.

We used 3D printing at every stage, ranging from multiple prior iterations of Doblet prototypes, to our looks-like fully functional model Doblet from Taiwan, to high-accuracy 3D prints of our recharging bay done by Fathom.

We cant imagine why a popular meeting place wouldnt want to offer convenient, design-centric charging stations for patrons—how many businesses are now enrolled with Doblet? Does the team have plans for further expansion? 

Jeff—We’re now live in just over 350 venues across the SF Bay Area, with 1,000+ more venues already pre-signed and waiting for hardware.  We’re also signing off on international distribution deals in Europe and Asia and running pilot tests with several large corporate and government partners.

Two new iterations of Doblet hardware are launching over the next year, with many improvements that simplify & streamline the user experience – these will coincide with launches into many more venues both here in the Bay Area and elsewhere and new expansion plans with our corporate partners.

We’re looking forward to trying out 3D printed tooling for the upcoming Doblet V2 hardware!

To learn more about Fathom’s advanced prototype fabrication and low volume production services by way of 3D printing, CNC machining, urethane casting, rapid tooling and injection molding—start a conversation with an account manager today.

Comprehensive Capabilities for Rapid Manufacturing

At Fathom we offer a unique advantage of speed and agility-our experts help companies go from concept to prototype to manufacturing in ways not previously possible. 

90+ Machines  
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PolyJet / / Same-day MJF / / Two-day
   

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Prototype Tool / / As soon as 10 days
10K Parts / / 10 days
Production Tool / / As soon as 3 weeks
 

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3 & 5 Axis Milling & Turning
(Plastics, Composites and Metals)

Tolerance Accuracy Range
from +/-0.001″ to 0.005″

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Injection Molding Adjacent
without High Costs of Metal Tools

Most Commonly Used for High-Volume
Prototyping & Bridge to Production

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Finishing, Production Painting and Color Matching

Assembling, Including Embedded Electronic
Components, Threaded Inserts, and More

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CAD, DFAM and DFM Services

Apply Methods to Increase Speed
and Decrease Total Cost

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Highly Trained Staff / / Full-Time & Part-Time
Support as Short-Term & Long-Term Strategy

Decrease Downtime with Customizable
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Fathom is driven by advanced technologies and methods that enhance and accelerate today’s product development and production processes.

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Manufacturing Locations Across National Time Zones
Manufacturing Locations Across National Time Zones
The Fathom Advanced Manufacturing Platform
new map update 3
HEADQUARTERS

1050 Walnut Ridge Drive
Hartland, WI 53029
ISO 9001:2015
AS9100:2016
ITAR

ARIZONA

444 W. 21st St. Ste. 101
Tempe, AZ 85282
ISO 9001:2015
AS9100:2016
NIST800-171
ITAR

FLORIDA

14000 N.W. 58th Court
Miami Lakes, FL 33014
ISO 9001:2015 Design Certified
ISO 13485:2016

CALIFORNIA

620 3rd Street
Oakland, CA 94607
ISO 9001:2015 Design Certified
NIST 800-171
ITAR

ILLINOIS

1207 Adams Drive
McHenry, IL 60051

1401 Brummel Ave
Elk Grove, IL 60007
ISO 9001:2015 Design Certified

NEW YORK

401 W. Shore Blvd.
Newark, NY 14513
AS9100:2016
ISO 9001:2015
ITAR

1920 Slaterville Rd
Ithaca, NY 14850
ITAR

TEXAS

1801 Rowe Lane
Pflugerville, TX 78660
ISO 9001:2015
AS9100:2016

1513 Sam Bass Rd
Round Rock, TX 78681
ISO 9001:2015
ISO 13485:2016

COLORADO

7770 Washington St.
Denver, CO 80229
ISO 9001:2015
ITAR

MINNESOTA

13758 Johnson Street NE
Ham Lake, MN 55304

OHIO

6415 Angola Road
Holland, OH 43528