Introduction: Accessible Cardholder

Picture of Accessible Cardholder

This cardholder was designed initially for the use of a power wheelchair user with limited hand dexterity. The intent was to give him more independence by allowing him to access his cards without the help of others. This cardholder could be of help to anyone who wants to be able to easily access their cards on their wheelchair.

(All the SOLIDWORKS files have been included for your convenience in case you want to make any changes)

The wallet we created for our client Jim Wice is an accessible cardholder that makes it quick and efficient for Jim to remove his credit cards and business cards despite the limited dexterity in his hands. The mechanism of the cardholder utilizes a single joint about which each of the four card sleeves rotates. Each sleeve has an L-shaped tab to allow Jim to use his rubber stylus - attached to his hand - to easily pick out his desired card. Once the desired sleeve is rotated out, the diagonally cut sleeve shows the exposed card for easy removal and replacement.

Mechanism

· Single screw joint about which all cards rotate

· Tabs allow easier engagement for rotation

Specs

· 3-D printed acrylic frame and card sleeves

· L-shaped tabs for client’s stylus

· Holds 4 credit cards and/or business cards

· Diagonally cut card sleeves to expose cards and allow easy removal and replacement

Measurement

· Outer box frame: 4.25” x 3” x 1.25 ”

· Card Sleeve: 3.9” x 2.75 ” x 0.2”

- capable of holding both credit cards and business cards

Step 1: Bill of Materials

Tools:

  • Phillips-Head Screwdriver
  • 3D Printer (This project was done on an Ultimaker 2 and Objet but a printer with a resolution of 140 microns or smaller would suffice)

Materials:

  • 1.5" #6 Bolt and Nut (bolt should be longer if you want to fit more cards and shorter if you want to fit fewer cards)
  • Plastic Material for 3D Printer
  • Velcro

Step 2: Prepare the Box Print

Picture of Prepare the Box Print

Open the STL file named cardholderboxfinal in a 3D printer slicing application (Cura for Ultimaker printers). Orient the part as shown in the image and save it.

Step 3: Prepare Sleeves to Print

Picture of Prepare Sleeves to Print

Open the STL files named CardholderSlant4_1_1, CardholderSlant4_1_2, CardholderSlant4_2_1, CardholderSlant4_2_2, CardholderSlant4_3_1, CardholderSlant4_3_2, CardholderSlant4_4_1, and CardholderSlant4_4_2 in a 3D printer slicing application (Cura for Ultimaker printers - which can be downloaded for free online). Orient the part as shown in the image. Using Cura, we could fit two at a time. Save the file. Note that we would not recommend using an Ultimaker to print these parts.

Step 4: Print Individual Sleeves and Box on 3D Printer

Picture of Print Individual Sleeves and Box on 3D Printer

For this project, we print the sleeves on the Objet and the box on the Ultimaker. If you have a printer of the given resolution, you can print both on the same printer. We print the box on the Ultimaker.

Step 5: Put the Sleeve Parts Together

Picture of Put the Sleeve Parts Together

Put the two sides of each sleeve together as shown in the picture. If the printer used has the resolution listed above, the two sides should snap together. Otherwise, you can use an adhesive to hold them together.

Step 6: Assemble the Parts and Secure With Nut and Bolt

Picture of Assemble the Parts and Secure With Nut and Bolt

Put the sleeves in their respective shelves and align them with the hole. Insert the bolt so that the bolt head fits in the indent on one side.

Step 7: Add Velcro

Add velcro to the back of the cardholder (on the side with the indent). This is done so that you can attach the cardholder to the wheelchair.

Step 8: Fill With Cards

Picture of Fill With Cards

Fill the sleeves with cards, and it is ready to use.

Comments

Swansong (author)2017-12-12

That's a cool idea to keep your cards, nice design :)

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