Tag: laser cutting

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FabLab 2.0

Inkscape vector file of watch to be laser cut

This week we returned to the FabLab. We continued to familiarize ourselves with all the tools and tech the lab has to offer. We specifically learned a vector editing software called Inkscape. Through this workshop we learned how to create basic shapes, manipulate them, and produce more. After learning the basics of the software we learned to transform images into vector graphics. These skills were then applied to a customized watch. The watch is a device that allows patients who have to do bicep curls and rotation in wrist during rehabilitation. The base of the watch consist of 3 wooden circles, two of which have rectangles on each side. I thought it would be help patients if the watch had small arrow indications of which way the device goes. The top layer rotates, so I designed an arrow pointing in the direction of proper rotation.

3 layered watch with electrical components

After this we moved into sewing. Unlike most of my peers I have experienced sewing. My sophomore year I sewed a jacket with a sleeping bag attachment completely from scratch. So during the tutorials and walkthroughs I was a couple steps ahead. We all picked the fabrics we wanted our wristband for the watch to be and then cut it to scale.  We sew it right sice in and sewed the seam. This created the sort of sack like appearance of the band. Getting it right side out was a hassle, it required us to use these thin wooden rods to pull the fabric through. We finished up by attaching velcro strips to the band to ensure a comfortable and secure fit to the wrist.

Images showcasing the process of sewing and creating the band for the watch

The second half of class each group presented to Milestone Labs and Adam Bleakney. We’ve made a lot of progress since last speaking with them. We got a lot of insight from this conversation. We realized we hadn’t thought everything thoroughly. Our design is solid but we have to really hone in on the attachment aspect of it. The overall ease of use should be convenient for the user. They also asked a lot of questions regarding materials of our device. We are currently scheduling a time to interview a material science professor here at the university. This week I have scheduled a virtual interview with my physical therapy. We also have a meeting this monday with my professor who handmakes shoes. We plan to do a bunch more research structured around our opportunity and project idea.

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Lighting Up the Bulb

Circuits & Arduino

This week, we continued with our learning at the Fab Lab. Instead of working on the motion-sensing watch like last week, I got to work on a circuit and learn how to use a multimeter. Playing around with the circuit reminded me of my elementary school days when I got to tinker around with the flashlight kit and a mini motor car kit in a science class. Though I did not understand the details during then, I still enjoyed trying various configurations to see which one lights up the bulb and runs the motor and which one does not. With the good memory in my mind, I had fun with the breadboard, resistors, and multimeter, trying to figure out how much of a difference each type of a resistor made to the brightness of the bulb.

  • A circuit with resistors, lightign up the bulb dimly
  • A circuit without a resistor, lighting up the bulb brightly

After playing around with the circuit, we were very briefly introduced to Arduino and its capability. Although this technology is probably not what our project group would use, it was interesting to think how such a small component can have so much computing power.

  • Example of how an Arduino is used for a motion sensing watch
  • Top view of the motion sensing watch

Team Rotam Project Ideas

We also got to meet and receive feedback from the Milestone Labs on our idea of the project. They recommended that we look into different materials that would allow our product to protect the joystick of the power wheelchair. For example, they suggested that we look into the scuba diving suits, which I did not even think of. After hearing the recommendation, it seemed so obvious to me that I should have thought about this before, but while brainstorming, it never came to my mind. That recommendation, however, sparked few ideas of my own, such as looking into the materials of umbrellas. Upcoming week, my team is planning on looking more into what is available in the market for the purpose of protecting the joystick of the power chair as well as different types of materials that could be used to protect it from the water.

After receiving the feedback, the team got together to brainstorm further on our ideas. Last time, we were focusing on additional parts that can be added to the wheelchair to serve the purpose of protecting the joystick, but this time, we focused on how we may be able to make our product be applied to different types of power chairs and not just that of Ryan’s. One idea that we came up with was a DIY molding package. We were thinking that if we could provide a DIY molding package to the users, they can customize the part on their own, ensuring that not only will it fit their power chair, but they could add personal touches and additional comfortability with grooves on the mold and so on.

Outside of the Class

Outside of the class, I managed to find time to go back to the lab to laser cut my own face of the motion sensing watch. While designing this face, I was thinking ‘simple is the best,’ which is how I came up with the design below. I hoped to design the face in a way that it would be very simple and easy for the user to understand it.

  • Completed face of the motion sensing watch

Though this face makes clear sense to me as a designer, I am wondering how different people would perceive it. This thought made me realize how challenging designing is, which is why human-centered designing is crucial. Through the constant feedback from the users, the designer can ensure that the end product would be easily used by the users for the purpose that they are looking for. This is something that my team will constantly keep in our mind as we proceed with the project.

While using the laser cutter, I was curious as to what else the device is used for. I discovered that this technology can be used not just on wood but also on other materials, such as glass and acrylic as demonstrated by various objects shown here. It was also interesting to find out that there are various ways to use the machine, such as cutting, engraving, and vector etching, which are explained here. Looking through images of different things that this machine is used for, it amazes me how much of a detail that this machine can handle.

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Week 8 Reflection – Learning more tools and reflecting on the project

This week, we continued learning new tools and heard feedback from the Milestone Lab.

At the first half of the class, we focused on studying new skills. Similar to last week, the session was broken down into two groups, and we went to the section that we didn’t go to last time. In the beginning, we learned Inkscape, a software for creating and editing vector graphics. We studied how to create basic shapes and how to manipulate them to produce more shapes. We also practiced how to use existing pictures to transform into vector graphics. Then, we learned how to alter stroke and fill to differentiate the parts that we want to cut and the parts that we want to etch. After learning the skills, we applied them to design the customized watch. Because this watch would be for personal use to show caring and love, I chose to include a heart image to etch. In addition, since it would be relatively easy to confuse the top and the bottom, I decided to etch a letter B on the base. In my spare time, I went to the Fab lab and got the pieces laser cut.

Laser cutting
The watch

After the laser cutting lesson, we then worked on the sewing machine. This was the first time that I used a sewing machine, so the experience was new and unique for me. In the beginning, it was hard to even twine the thread following all the steps as well as threading. Gradually, after I practiced the basic one, I got more used to the speed of the sewing machine and the whole process. When I worked on the strip, I was able to finish it quickly.

The strip

In the future, I think the knowledge that I gained from those would be beneficial for our project since we are planning to do more prototyping to test the design. One useful resource I find online for more advanced skills for Inscape is at this link. It talks more about how to create different types of paths and how to alter paths. For instance, one can use “Ctrl + K” to combine paths to a compound. This technique can be useful if one wants to create holes in the design as well: by combining overlapping paths with fill, the overlapping area’s fill would disappear. I plan to explore more on this site to acquire more skills that are applicable to our project.

At the second half of the class, we presented to the Milestone Lab about our project progress and received insights from them. Up till now, we have decided on the area that we would like to focus on moving forward, but we were not sure how to approach the features that we wanted the product to be able to achieve. Thus, Milestone suggested us to consider the flexibility the users wanted and to consider the usage of the glove in the actual context. For instance, before the utensils get connected with the glove, where it needs to be placed so that the users can be able to put the glove on by themselves. Also, when the utensils get connected with the glove, how many degrees the users would want. All those are factors that we need to take into consideration in our design, and I think they are all excellent starting points.

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Fab Lab: Fabulous Resources for Fabulous Ideas

Exterior of Fab Lab located in Urbana, IL

This was our first of the next three weeks that we will be spending at Fab Lab to learn about various resources that are available to us. Although I have heard of Fab Lab before, I was not aware of what it contains. In fact, I didn’t even know where it was located, so I was very surprised when I found out where it was. It was a small, old-looking building that I passed by daily to get to my classes from the dorm that I used to live in during my freshman year. I always wondered what it was and even peered into it through the windows once, but I never figured out what it was. Walking into it, I was wondering how this place could contain all the high-tech gadgets that the professor was talking about.

As soon as I walked through the doors, I had my eyebrows raised. It was not at all what I imagined the place to be.

  • One side of the wall at Fab Lab displaying different products that are made there
  • Example of a machine that is available at Fab Lab for use
Examples of various products that can be made at Fab Lab

Inside the building was an open space filled with computers, machines, and various types of products that were made at the lab. I felt like a kid who just walked into a candy store, trying to absorb all the different things that I see. From electric cutters, 3D printers, to embroidery machines, there seemed to be endless lines of resources available. Although I was excited to see so many resources, I was also worried about how I could possibly learn to use them for the project.

  • Examples of laser engraved products from Fab Lab
  • 3D printers available at Fab Lab
  • Map of the Fab Lab

After taking a tour throughout the building, the class was divided into two groups to get hands-on learning on a couple of resources available at the lab. This week, I got to participate in an Inkscape workshop. Inkscape is an open-source vector graphics editor, which can be used to create or edit vector graphics. During the workshop, we got to design a watch face of a motion-detecting watch, which could detect whether the user was performing the bicep curls or wrist twist motions correctly. We were to think of a specific user group and create a design based on it so that the user can use the watch correctly. Although the task seemed simple, it was challenging to come up with a simple, yet effective design. This exercise made me realize how much of a challenge we have ahead of us in trying to design a product that could help the power wheelchair users with preventing the rain from getting into the joystick.

After the workshop, we were grouped into our own teams and got time to brainstorm various prototypes for the team products. The point of this session was to keep the options limitless, even thinking of things that are impossible for us to achieve. For example, while we were brainstorming about what can protect the power wheelchair from rain, we came up with instant heating that dries the moisture, force field, and strong wind blower that can push the water droplets away. Although we understand that these options are not viable, by not limiting ourselves, we were able to come up with more creative ideas that can potentially lead into more feasible ones.

Sketches of various ideas we brainstormed during the session to prevent rain from getting to the joystick of a power wheelchair

In the end, we had to select a couple of designs that were more feasible, easier to implement, and most effective, which we decided were bags to put over the joystick and a mold that can be put over the part. For our next assignment, we will be coming up with a 3D prototype of these ideas. Although the exercises that we performed throughout the week demonstrated lots of challenge ahead of us, I am excited to use the available resources to take our ideas further.

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New Resources: A Fabulous Lab

FAB-TASTIC.

This week, we got a formal introduction to the Fab Lab. The director of the Fab Lab had previously been a guest speaker in the class, but this time we had a chance to host the class there and use their facilities. We first started with a tour of the place and the different tools they had there. They first went through their policies for use, which was surprisingly accessible. Most tools were only priced at $1 for use, and they allowed people to use their own materials while also having some for sale.

In terms of the tools, the staff went through the multiple applications of the electric cutter, which could not only be used to cut vinyl stickers, but also precision paint things if the knife part was replaced. Next, they showed us the screen printing and embroidering/sewing areas. They also introduced us to the concept of 3D printing on top of meshed fabric, which has been used a lot in the fashion industry recently (seen green scales picture for an example). Next, they showed us the milling, soldering, and electronics area, where they showed some applications, such as milling your own circuit board or working with microcontrollers. Finally, they brought us to the 3D printing and laser engraving workstations. Overall, it was really inspiring to see all these different technologies consolidated in a single area as well as to hear about many of the different projects that have been created at the lab. I was shocked to find out about such an untapped resource that I had not known that I could take advantage of as a resident of the Champaign-Urbana area.

FABRICATION IN PROGRESS.

After our brief but thorough tour, we were split into two groups to attend workshops run by the staff of the Fab Lab. I attended the workshop relating to using the laser engraver as well as the program used to vector model what we want to engrave, Inkscape. Inkscape is an open source program which is quite similar to Adobe Illustrator and allows people to vector model their illustrations; I found it really fascinating that the Fab Lab intentionally uses a lot of open source software so that when they teach people how to use their programs, the skills will continue to be applicable outside of the Fab Lab.

Within Inkscape, we started modelling an exercise watch made out of wood which would be able to track if outpatients are performing their exercises correctly. There will be motion sensors inside the watch, where if the face is facing one way, it would detect bicep curls and facing another way, wrist twists. We first modelled the watch face together while the instructors introduced us to the program, and once we started to become more familiar with Inkscape, the staff released us to add our own designs to the watch. We were instructed to keep the user base in mind and make our unique designs while thinking of certain groups, such as children or elderly outpatients.

With the last 45 minutes of class, we started brainstorming prototypes for our team products. While brainstorming, our TA Mehmet wanted us to think of new ideas quickly, never spending too much time on a single idea. We were instructed to brainstorm in different rounds with different restrictions. For example, one round we had to think as if we had a $0 budget, another if we had an unlimited budget, and yet another if we had to think of our product with children in mind. In the end, we then had to decide which prototype we thought would be the most feasible, easiest to implement, and most effective and decide based on individual team members’ decisions which prototype to make a crude 3D prototype of. In the end, Solestice decided to go with a sole that is attachable by Velcro strips to a shoe, and we will be making this prototype before the next class.