Mohammed Hanzala Mansoor Portfolio 07518000685 Do.good.share.good@gmail.com Digital Measuring Tape ❖ First Version: ➢ Used an LCD screen, ultrasonic sensor, Arduino Uno, and a potentiometer. ➢ Issue: Kept showing multiple readings non - stop. ❖ Second Version (Improvements): ➢ Removed the potentiometer (only needed for LCD brightness, which I could adjust on the board). ➢ Added a button to control when the measurement is taken. ➢ LCD now displays: "Place the target, press button to measure." ➢ Once the button is pressed, it shows the measurement in inches. ➢ Improvement for precision: The device now takes all readings over 5 seconds, displaying "Measuring", and then gives the average reading to make it more accurate. ❖ Future Plans: ➢ Use an Arduino Nano for a more compact design. ➢ Solder the wires properly. ➢ 3D print a case to make it more portable. Beetle bot Raspberry Pi Pico Car ❖ Project Background: ➢ This project was a gift from a friend. ➢ It uses a Raspberry Pi Pico as the programmable logic controller. ❖ Features: ➢ Line tracking ➢ Playing music ➢ Smart movement ➢ Following light ➢ Avoiding obstacles ➢ IR control ❖ Challenges Faced: ➢ Initially excited, started programming it using Python and following a course. ➢ After a few codes, the Pi Pico stopped responding and only performed one task. ➢ GCSE mocks started, so I paused the project. ➢ After mocks, I resumed, and it worked fine for a while until the Pi Pico crashed completely, only displaying a light. ❖ Current Status: ➢ Diagnosed the issue and found a fault with the Raspberry Pi Pico. ➢ Currently in the process of getting a replacement. ❖ Project still ongoing. Pop Up Card Wallet ❖ P roject Overview: ➢ This project tested my 3D printing skills. ➢ I found the design online on Printables. ▪ https://www.printables.com/model/7 96303 - pop - up - credit - card - wallet - spreader - with - coincash - s ➢ Assembly was easy. ❖ Challenges & Adjustments: ➢ First print was too thick, so I shortened it to fit fewer cards. ➢ Cards needed to be pushed back in manually, which was inconvenient. ➢ The coin compartment rattled constantly, which I didn’t like. ❖ Favourite Features : ➢ Cards stay in place and don’t fall out. ➢ Keychain attachment is my favourite part MRI Machine Re - Modelling ❖ Project Overview: ➢ A unique and challenging project I’m currently working on. ➢ Requested by a company that makes portable MRI machines for hospitals worldwide. ➢ My task: Redesign and 3D print their container to help clients understand what they’re renting. ❖ Design Process & Challenges: ➢ Started with designing the MRI machine itself. ➢ The company wanted a movable bed, but my printer couldn’t do a print - in - place design. ➢ Found a workaround by integrating the bed with a clicking mechanism to keep it stable. ➢ Size issues: My first design was too big, so I printed multiple versions to find the perfect scale. ❖ Scissor Lift & Container Design Adjustments: ➢ Before integrating it, I designed a separate scissor lift to test the mechanism. ➢ Designed the main container body, but it was too big for my printer bed. ➢ Initially split it in half and glued it, but it looked messy. ➢ Now working on a click - and - snap mechanism for a cleaner look. ➢ Original idea: Scissor lift mechanism to raise the interior, but the client didn’t like it. ➢ Switched to a pull - out container version instead. ❖ Improvements & Next Steps: ➢ After the first model of the container, I made detailed notes on what to improve and what to add. ➢ Currently refining the snap - fit mechanism for a polished final version. Honey - Comb Management Wall ❖ Project Inspiration: ➢ Inspired by files found on Printables. ➢ https://www.printables.com/model/393386 - honey - comb - wall - remixes - and - introducing - my - new - scr/files ➢ Used a pre - designed honeycomb wall as a base. ➢ Designed custom parts to fit my tools and accessories. ❖ Custom Add - ons I Designed: ➢ Glue stick dispenser ➢ Solder wire roll holder ➢ Caliper holder ➢ Wire cutter holder ➢ Rotary tool holder ➢ Rotary tool set holder ➢ Magnetic holder for pliers ❖ What I Liked: ➢ Durability — the design is strong and holds up well. ❖ What I Didn’t Like: ➢ My printer settings messed up towards the end, causing stringing on the sides and resulting in a less refined finish. Mini Warehouse ❖ Project Overview: ➢ Took inspiration from a user on Printables. ➢ https://www.printables.com/model/561782 - mini - warehouse ➢ Resized and edited the accessories to fit my needs. ❖ Challenges Faced: ➢ The print took a long time, and the edges started to warp. ➢ Adjusted printer bed settings to fix the warping issue. ❖ Modifications & Assembly: ➢ Edited the accessories to reduce filament usage and speed up printing. ➢ Made the pallet smaller and thinner to optimize material use. ➢ After printing, I glued the pallet onto the shelves to hold my accessories. ➢ Assembly was quick and easy. ❖ What I Liked: ➢ Saves a lot of space and keeps things organized. ❖ Future Improvements: ➢ Change the print orientation to make layer lines less visible. Honey - Comb wall lights ❖ Project Inspiration: ➢ Inspired by a user from Printables. ➢ https://www.printables.com/model/204813 - hexagon - led - panels - and - shelfs ❖ Challenges Faced: ➢ The original design didn’t quite match my preferences, making it difficult to assemble. ➢ To fix this, I made a slight redesign where the white plating snaps into place securely and doesn’t fall off. ❖ Assembly Process: ➢ Started by screwing in the back piece. ➢ Placed the LEDs within and then added the white cover on top. ➢ Used another person’s design and slightly redesigned it to fit perfectly on top of the original hexagon. ➢ https://www.printables.com/model/187618 - hexagon - lamp ➢ Glued the LED strips onto the back strip, then screwed it into the wall. ❖ What I Liked: ➢ The project adds vibrance to my room. ➢ Improved my snap - fit skills through the redesign. ❖ What I Didn’t Like: ➢ The design looks a bit distorted, and there are hot spots of light visible. ➢ Plan to redesign it for a cleaner and more refined look when I have time. Hot Glue Gun Stand ❖ Project Overview: ➢ The stand on my glue gun broke, so I decided to design my own. ➢ Created a stand that securely holds the glue gun, with a drip plate in front to prevent hot glue from spilling onto my desk. ❖ What I Liked: ➢ The project was quick and simple to design. ➢ It keeps my workspace clean and organized. ❖ What I Didn’t Like: ➢ When the glue gun heats up, the sides start to melt the stand because they make contact with it. ❖ Future Improvements : ➢ I plan to either use a heat - resistant material (instead of PLA) or redesign it to prevent the sides from touching the stand. Screw Management Box ❖ Project Overview: ➢ Initially, I bought a lot of bolt and nuts for my projects. ➢ I needed a solution to organize them neatly on my shelf. ❖ Challenges Faced: ➢ My first idea was a barrel design, open at the top, where I could store each type of bolt. This approach used less filament but took up too much space, causing my shelf to bend. ❖ Solution & Redesign: ➢ I decided to keep the larger bolt in the barrel and designed a screw box organizer for the smaller bolt and nuts. ➢ This approach saved a lot of space, allowing me to store the organizer under my desk. ❖ Outcome: ➢ While the new design used a bit more filament than I originally wanted, it was a win - win situation since it saved so much space. Headphone Stand ❖ Project Overview: ➢ This was one of my first 3D prints. ➢ The design was inspired by a user, but the account and files no longer exist. ❖ Challenges Faced: ➢ Experienced issues with the sides messing up, causing the layers to shift. ➢ After troubleshooting, I managed to fix the problem. ❖ Assembly: ➢ Quick and easy assembly once the issues were resolved. ❖ What I Liked: ➢ It holds my headphones nicely and adds a bit of quality to my desk setup. ❖ What I Didn’t Like: ➢ I didn’t have any screws, so I superglued the parts together, which left visible glue marks up close. ❖ For the Future: ➢ I would use screws for a sturdier hold. ➢ I would also make it slightly taller to avoid my headphones touching the desk. QR Code Display ❖ Project Overview: ➢ Designed an accessory for my YouTube and Instagram background with my name on it. ➢ Created a flat surface and added a custom QR code to it. ❖ Design & Printing Process: ➢ Integrated the QR code into the design using the slicer. ➢ Set the printer to stop at the desired layer height. ➢ Changed the filament colour from white to black to make the QR code stand out. ➢ Designed a stand to keep the accessory at a perfect angle for both standing and sitting viewers. ❖ What I Liked: ➢ The QR code works seamlessly, adding a unique touch to my background. ❖ What I Didn’t Like: ➢ The printer required me to clean around the edges of the QR code due to stringing. ❖ Video Link on YouTube Self - Opening Bin Lid ❖ Project Overview: ➢ This was an exciting project where I wanted to create a small bin that could easily fit on my desk and open automatically when my hand was detected. ❖ Challenges & Issues: ➢ Unfortunately, the project failed due to a motor shield issue. ➢ Despite the Arduino Mega board and the motor working fine, the motor shield wasn’t functioning properly. ➢ After troubleshooting, I concluded that the issue was with the motor shield since everything else was working as it should. ➢ Now, I need to get a new motor shield to move forward. ❖ What I Learned: ➢ I realized that I made the mistake of having the Arduino Mega supply all the power to the motor when it should have had its own power source. ➢ I effectively overloaded the motor shield, which caused the issue. Safety Warning Alarm ❖ Project Overview: ➢ Came up with a safety idea for areas with heavy machinery that could harm a person if they get too close. ➢ Designed an alarm system that detects objects and gradually increases the warning level: ➢ First 5 seconds: Single beep if an object is detected. ➢ Next 5 seconds: Two beeps if the object is still there. ➢ Final 5 seconds: A continuous alarm for 5 seconds, prompting the person to move away. ❖ What I Liked: ➢ Quick and simple to code. ➢ Can be integrated into a factory setting to warn workers if they are in a restricted area. ❖ What I Didn’t Like: ➢ The design is a bit bulky. ➢ The buzzer acting as the alarm could be improved with a better sound system. ❖ Future Improvements: ➢ Use an Arduino Nano to make the system more compact. ➢ 3D print a case for better portability and protection. ➢ Add a proper alarm instead of just using a buzzer. ➢ Include an LCD screen displaying "Move Away" as a visual warning. More projects are still underway To view some of my videos of my 3D Printing and some small quick projects click the link or search on YouTube M.H.M 3DPrintz YouTube