Sophia Blog


About Sophia and other things we've built.

My story about 3d printing and 3d printer Part One

An Encounter


About 2009, I occasionally watched a Youtube video about MakerBot Cupcake 3d printer. That's my first time to see a 3d printer building a real physical thing. I thought that was...


Sophia's Door Mechanism and DP 2016-5-21

In the past few days, we're waiting for the parts that can be done quickly. And yes, we already received some parts, and start to assemble.

Because the parts are not finished completely, I will...


New PCBs have arrived, start soldering DP log 2016-5-19

After eight days waiting, the new PCBs had arrived yesterday. Started soldering yesterday afternoon. Finally today I finished it.

After some quick tests, I think the PCB and the design are all...


Visiting another factory DP log 2016-5-16

Today we visited another factory; it's far from our office. We took a lot of time to be there. This factory is better in management and quality control. They have about 10 CNC machines and...


Another body case from a friend DP log 2016-5-15

The photo below is just a quick update.    My friend Huang helped us built a new body frame. He takes the photos.    We have not seen the case in person. The case looks pretty...


Assemble the frame excited DP log 2016-5-14

Finally, all the frame parts are done today. We are so excited and assemble the frame altogether, and seems all the pieces fit quite good. But small errors happen, like the top frame part's...


Another day on the factory and thoughts on design for manufacturing DP log 2016-5-13

Today we've been the factory again. The workers still working on the part of the frame. This part is hard to manufacture; they need to machine the side first, and to machine the other side...


The factory is busy working on the frame DP log 2016-5-12

Today we have been the factory. The workers are very busy on our designs. Most of our design's parts need precision machining.

Currently, they are working on the frame parts. The frame is...


Waiting and designed a new version of PCBs DP log 2016-5-10

In the past few days, we've been all waiting for the parts anxiously. And also we checked all the future improvements.

I designed a new version of the controller PCB. Added some new functions...


Visiting the factory DP log 2016-5-7

Yesterday, we already sent the mechanical drawings to the factory. Today we will go to that company see what everything is going. The factory is not a big one, but they can handle our designs...