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Pricing, Staff Workflow, & Application Development for 3D Printing Service
: Achieving the Best User ExperienceBohyun Kim
Twitter: @bohyunkim | Blog: http://bohyunkim.net/blogAssociate Director, Library Applications and Knowledge Systems
Univ. of MD, Baltimore - Health Sciences and Human Services LibraryFriday, March 24, 2017 | 2017 ACRL Conference
Twitter hashtag: #3DprintingworkflowSlides: http://bit.ly/2niTN56
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HS/HSL Innovation Space renovation in the fall of 2016; Photo by the author
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3D Printing Service for the Best UX1.Pricing scheme 2.Staff workflow 3.Application development
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1.Pricing - Cost Factors• Equipment wear/tear & eventual replacement• Purchase amount and refresh cycle
• Electricity• Staff time & expertise for service and maintenance• Per print
• Filament (and other consumables)• Proportionate to use• $43-48 for ABS/PLA and $65 for dissolvable per 0.9 kg [2.00 lb] from
Makerbot
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Fee Structure – Examples• NCSU Hunt Library
• https://www.lib.ncsu.edu/do/3d-printing• 2014/7- uPrint 3D Printer: $10 per cubic inch of material (ABS), with a $5 minimum• 2014 - MakerBot 3D Printer: $0.35 per gram of material (PLA), with a $5 minimum• 2017 - F306 - $0.35 per gram of material, $5 minimum
• UNR DeLaMare Library • https://guides.library.unr.edu/3dprinting • 2014 - $7.20 per cubic inch of modeling material (raised to $8.45 starting July, 2014).• 2017 - uPrint - Model Material: $4.95 per cubic inch (=16.38 gm=0.036 lb)• 2017 - uPrint - Support Materials: $7.75 per cubic inch
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Fee Structure - Examples (Continued)• BYU Library
• http://guides.lib.byu.edu/c.php?g=216600&p=1429612• Makerbot Replicator 2/ Ultimaker 2 Extended• $0.20 per gram for standard (0.2mm) resolution;
$0.30 per gram for high (0.1mm) resolution. • University of Michigan Library
• The Cube 3D printer checkout is no longer offered.• 2017 - Cost for professional 3d printing service; Open access 3d printing is free.
• UCLA Library, Dalhousie University Library (2014) • Free
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Fee Structure – Examples (Continued)• GVSU Library
• https://www.gvsu.edu/techshowcase/makerspace-18.htm• 2014 - $0.35 per gram with a $6.00 minimum• 2017 - Free (Ultimaker 2+, Makerbot Replicator 2, 7, 2x)
• Southern Illinois University Library• http://libguides.siue.edu/3D/request • 2014 - Originally $2 per hour of printing time; Reduced to $1 as the demand grew.• 2017 - Lulzbot Taz 5, Luzbot mini - $2.00 per hour of printing time.
• Port Washington Public library• http://www.pwpl.org/3d-printing/3d-printing-guidelines/• 2017 - Makerbot 5 - $1 per hour of printing time
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Fee Structure – Examples (Continued)• More info about 3D printing service at academic libraries and pricing • “Appendix 1. Environmental Scan : Academic Library Makerspaces”
https://archive.hshsl.umaryland.edu/bitstream/10713/4634/6/Appendix%201.EnvironmentalScan-AcademicLibraryMakerspaces.pdf in Bohyun Kim, Aphrodite Bodycomb, Everly Brown, and Thom Pinho, “Makerspace Task Force Report,” University of Maryland, Baltimore – Health Sciences and Human Services and Library, July 2014, http://archive.hshsl.umaryland.edu/handle/10713/4634.
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(i) Weight-Based Pricing• Not readily calculable by a user before the print job• How much does my model weigh?!
• Time-consuming for the staff to calculate• They have to weigh each model.
• How about ‘Size-Based’ - S/M/L?
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(ii) Size-Based Pricing• Seems intuitive to users and easy to determine to the staff too.• But …
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Infill ratio
https://www.packtpub.com/sites/default/files/Article-Images/9888OS_02_22.png
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Different Shapes1cm cube – solid https://tinkercad.com/things/huFqKBduEjT1cm cube – hollow https://tinkercad.com/things/eQOfqjifu8R1cm cross https://tinkercad.com/things/aMthCqb9LRn 2cm cube https://tinkercad.com/things/c0comBMy08w3cm cube https://tinkercad.com/things/l0ezs8lCiAn
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http://tobuya3dprinter.com/wp-content/uploads/2014/05/3d-printing-layer-height.jpg
Resolution
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30, 40, 50mm Cubes (1.2, 1.6, 2 inches) - ABS
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(iii) Time-Based Pricing• Printing time and weight are proportionate? • Translate the weight-based cost to the time-based cost. • Different size cubes’ 3d print estimate on Makerbot Replicator 2X.)• 9.10 gm /36 min =0.25 gm per min.• 17.48 gm /67 min = 0.26 gm per min.• 30.80 gm /117 min = 0.26 gm per min.• 50.75 gm /186 min = 0.27 gm per min.• 87.53 gm /316 min = 0.28 gm per min.• 194.18 gm/674 min = 0.29 gm per min.
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Calculate Away• 3D plastic filament is $48 for ABS/PLA and $65 for dissolvable per 0.90
kg [2.00 lb] from Makerbot. • $48/900 gm = $0.05 per gram - ABS/PLA • $65/900 gm = $0.07 per gram - Dissolvable
• So on average, 6 cents per gram• For an hour of 3D printing time, 0.26 x 60 min = 15.6 gm per hour.• 15.6 gm x 6 cents = 94 cents per hour • Roughly $1 per hour of 3D printing time for the cost-recovery of
filament only.
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Additional Charge per Print• Per print cost to add on top for
hardware wear/tear, staff time, electricity, maintenance, etc., plus "no-charge-for-failed-print-policy”• Per print cost determined to be
$2.• $3 up to 1 hour of 3D printing
+ $1 per additional hour of 3D printing
Image by the author
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3D Printing Service for the Best UX1.Pricing scheme • Sustainable and fiscally accountable• Easy for users to estimate the cost• Easy for the library staff to process the payment
2.Staff workflow 3.Application development
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2. Staff Workflow• An efficient staff workflow is necessary particularly if the staff from
multiple departments are involved. A breakdown of individual steps of the serviceWhat each step involves (staff action; user action)Design a staff workflow that fits your library’s specific
environment, needs, and 3D printing service model.
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Journey Maphttp://shopifynation.com/marketing/create-customer-journey-map-for-ecommerce/
Breakdown of the Process (‘Journey Map’)
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Before the Visit
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http://cal.hshsl.umaryland.edu/booking/ispace
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Upon the Visit
http://guides.hshsl.umaryland.edu/ispace/replicator2x
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Upon the Visit: Using the 3D Printing Service • Get the 3d print estimate (time/filament)• Submit the 3D print job (upon the acceptance of the cost estimate) • Confirmation of the job submission to the user.• Notification of the job submission to the staff.• [Model 3d-printed]• Update of the job status.• Notification to the user and the staff.• Record of payment and pick-up.
=> Features for the 3D Printing Staff Admin Portal
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3. Application Design & Development• The staff workflow you designed should guide the development
process.• 3D Print Job Submission Form • Calculates the cost upon a user entering the printing time estimate.
• 3D Print Staff Admin Portal• Supports every step in the workflow.
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https://www2.hshsl.umaryland.edu/3d/
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3D Printing Service for the Best UX1.A user-friendly and sustainable pricing scheme 2.A viable and efficient staff workflow 3.Easy-to-use applications for both your users and library
staff
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Thank you!
Twitter: @bohyunkimBlog: http://bohyunkim.net/blog
E-mail: [email protected]
https://www.youtube.com/channel/UCdiTUcCe5qc8034Zsb3j1nA