I have had great success in removing uncured resin by using an ultrasonic cleaner filled with +90% isopropyl alcohol. to Magnifying Glass… In any case, I believe that white PLA with a hollow diffuser would have been good enough with sufficiently bright LEDs, so if you try it out yourself, let me know! Overall I’m pretty happy with the build, sometimes these types of projects end up producing something interesting but with little or no practical use, and probably the same can be said of most of the things I’ve ever 3D printed, but this is definitely one I will make use of. https://www.youtube.com/watch?v=x3NXvE6GcOU, Participated in the First Time Author Contest. I currently own a Hobby Creek Pana-Hand which allows me to have not only one extra hand but a gazillion of them ready to obey my every wish and command. Instead, you can run LEDs in series; each provides a voltage drop and when the sum of the voltage drops matches your supply, you don’t need a current limiting resistor at all; the LED chain provides its own. See reviews, photos, directions, phone numbers and more for 3d Systems Corp locations in Burlington, MA. 60º heated bed temperature with kapton tape.  For the power supply I will be using a μUSB breakout board, since I always have a couple of cables lying around the table. Lightly spray an even coat on one side of the print and then on the back side of the print. Fortunately for me Hobby Creek also makes a Universal Holder Arm which looked easy to disassemble so I bought one of those and basically removed the reusable zip-tie and kept the screw. T-Glase is very well known for its optical properties so it was the perfect choice for the job. For example, 50-18-135 means 50mm lens width, 18mm distance between lenses (DBL), and 135mm temple length. Ensure your 3D print is free from uncured resin. Here’s the parts manifest: Helping hands or 60mm magnifying glass; 12 White LEDs With all the decisions made and the models generated, it was time to get on with the 3D print and the build of the illuminated magnifying glass. We have a huge range of Illustrations products available. If you want to buy any of the materials I used for this build you can use the following links, although I must warn you that the eBay and Amazon links are “affiliate” links and they provide me with a negligible amount of money. Tip: The finer the layer height the less coats of enamel you will need to achieve the same clarity. The third design worked pretty well on every aspect: the size was just right, the LEDs and the magnifying glass fit really well, the connection between the LEDs was relatively easy to make and the diffuser (which was completely empty) worked pretty well. Unfortunately, at this point I came to the conclusion that white PLA for the diffuser was not the best idea as, even though it diffused pretty well. Read more. After you spray if you see a bumpy surface you are either under spraying or you are spraying too far away from the surface (the enamel is semi dried and is loosely adhered to the surface). With a magnifying glass, you can easily catch the details that your normal vision is missing. This is a 3D printed magnifying glass printed using an SLA printer using clear resin. The calculation is rather simple, but before we can actually calculate anything we need to find out the following: With all this information, it’s now easy enough to calculate the resistor value we need with the following formula: If you’re too lazy to launch the calculator app on your phone or on your computer, you can always use this online calculator, and go to the parallel case. The LEDs I will use are standard 5mm white; I also had a couple of 3mm LED, but in my experience those are very easy to damage and the degradation is much faster. If you weren’t satisfied with my explanation, maybe this link can help, but I wouldn’t know as I haven’t even looked at it. Don’t make me measure that thing in centimetres or my head might explode. Allow the layer to dry completely. I guess the next test is to leave a coated piece in direct sunlight for a few hours and see what happens. ... For print-disabled users. You should be able to use any other 3D printer though. Share it with us! This will leave your print surface smooth and dry (no longer sticky). Magnifying glass with reflex in a metal frame with handle, isolated on transparent background. Get it as soon as Wed, Jul 8. You can use a magnifying glass to read small text or work on hobbies like model-building and knitting. Here is a video of the 3D Printed Magnifying Glass burning a leaf. It is my hope that someone will read this some day and learn something so in this section I will go over the pretty basic electronics, the CAD model design and the selection of 3D printing materials. If you’re not interested in the process I followed to reach the final product, you can go directly to the build section. Once all the LEDs had been soldered together, I soldered the resistor to the μUSB breakout boar.The positive cable was then soldered to the resistor and the negative cable to the breakout board itself. Modelling the glass holder as I envisioned it was probably the most difficult part. r/3Dprinting. I can't believe this! If you don’t have a dual extruder, you can print each part individually and glue the core to the diffuser with some sort of cyanoacrylate or even hot glue. on Introduction. It has also been interesting printing multiple materials as that was the main goal I had in mind when I decided to build a printer with a dual extruder. ! Hobby Creek Arm Mod – 3D Printed Illuminated Magnifying Glass. Once dried, begin to spray enamel coats again until the surface is smooth. Please be aware that this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Open the file in your 3D printing software and print out a copy. Healthy teeth with magnifying glass. 2 people found this helpful. (If you downloaded a lens model, you can skip this step.) … If you’re still wondering about the result in this particular case, it’s 22.9Ω but the closest resistor I can buy is 27Ω. * *Yes, yes, 3D printing uses the metric system and filament is measured by the grams and meters. I 3D Printed a Magnifying Glass! Laboratory. Model available for download in # format Visit CGTrader and browse more than 500K 3D models, including 3D print and real-time assets. The electronics of this project are very simple, it is just an LED circuit with 12 LEDs in parallel and a current limiting resistor in series with the supply. I've reduced the contact area as much as I can in my software, but still it is an issue. After support removal and cleaning, use about 5 thin coats of a crystal clear enamel spray. If your enamel coat becomes contaminated or uneven. Change ), You are commenting using your Google account. Magnifying Glass free 3D model. Tap Magnifier, then turn it on. I also figured that connecting all of the LEDs in this approach would not be easy, as I would’ve had to squish the cables around the screws. Dithermaster you are right about only using 1 resister being a bad idea, however the ideal solution is to use a current limiter with each led. An illustration of a horizontal line over an up pointing arrow. Report abuse. ( Log Out /  I also glued the breakout board to the core with some cyanoacrylate: The next step was to connect the arm and the lid using the original screw, at this point I must warn you that the screw I received on my Universal Holder Arm might be different to the one you’re using, so it might not be a perfect fit. on Introduction. From basic office supplies, such as printer paper and labels, to office equipment, like file cabinets and stylish office furniture, Office Depot and OfficeMax have the office products you need to get the job done.Maintain a well-stocked office breakroom.Save on printer ink and toner to keep your office efficient and productive. Sorry, your blog cannot share posts by email. Yes, this project involves more than just 3D printing – it’s a real, functioning illuminated magnifying glass. What exciting developments await 3D printed optics? Step #1: Prep the 3D lens file. I like to use special gloves when removing supports with sharp tools. Since I have a Form1+ from Formlabs I used Preform as the software to print this model. Wow! $11.33 $ 11. After I successfully managed to replace the transistor, my subconscious mind had already made the decision: I was going to make an illuminated magnifying glass arm! I did some digging through my old junk cupboard and found one of these ubiquitous helping hands with a magnifying glass on it and dismantled the damn thing. On your iPhone or iPad, go to Settings > Accessibility. That’s how LED stoplights work, and why when one LED burns out there will be a whole line or patch of dark LEDs. Unfortunately printing with multiple materials presents some challenges which need to be overcome by either making a “dual colour friendly” design or making a large number of calibration prints to get the parameters exactly right. …. Use filters to find rigged, animated, low-poly or free 3D models. Or you can use your own design. It comes with a few different settings, so use it the way that suits you best. 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