Author:
John Bordeau
Subject:
Applied Science
Material Type:
Module
Level:
Community College / Lower Division
Tags:
  • 3D CAD Design
  • 3D Print
  • 3D Printing
  • Fusion
  • Open Source
    License:
    Creative Commons Attribution Non-Commercial
    Language:
    English
    Media Formats:
    Downloadable docs

    3D Printing Operations & Introduction to Slicing Applications (Flex Mendel Open Source 3D Printer)

    3D Printing Operations & Introduction to Slicing Applications (Flex Mendel Open Source 3D Printer)

    Overview

    These are step by step tutorial handouts for using a Flex Mendel or flexMendel open source 3D printer.  There are matching videos located on YouTube at:

    https://www.youtube.com/playlist?list=PLYZc2FR9EwWYF16SVbPzijWCRbMGpE38u

    and

    https://www.youtube.com/playlist?list=PLYZc2FR9EwWY7tOr0E_ncfZDYmR3NyQfo

    3D Printing Operations

    Week 2, 3D Printing Operations

    Learning Objectives:

    Upon completion of this module, students will be able to:

    • Identify the components of a Flex Mendel 3D Printer.
    • Clean the surface of the bedplate.
    • Power up the Flex Mendel 3D Printer.
    • Install a spool of polylactic acid plastic, (PLA) and feed the PLA filament through the extruder.
    • Adjust the level the bedplate to be level with the extruder nozzle path.
    • 3D print the G-code file from the SD card.
    • Adjust the height of the extruder tip from the bedplate during skirt.

    Introduction to Slicing Applications (Flex Mendel Open Source 3D Printer)

    Week 3, Introduction to Slicing Applications

    Learning Objectives:

    Upon completion of this module, students will be able to:

    • Explore www.thingiverse.com
    • Explore downloading and installing Slic3r software on your home computer.
    • Define a config file.
    • Install a Flex Mendel default config file.
    • Define a STL file.
    • Export a STL file from Fusion 360.
    • Define a G-code file.
    • Export a G-code file.
    • Copy a G-code file to an SD card.

    3D Printing Operations Assessment

    3D Printing Operations Question Bank

    02-01

    PLA stands for:

    Plastic Laminated Acetone

    Plastic Laminated Acid

    Polylaminated Acid

    Polylactic Acid

    Plastic

     

    02-02

    PLA filament comes in what two thicknesses:

    1.75 in x 3.00 in

    1.50 in x 2.85 in

    1.50 in x 3.00 in

    1.50 mm x 3.00 mm

    1.75 mm x 2.85 mm

    1.50 mm x 2.85 mm

     

    02-03

    An open reel of PLA filament can be stored for years on the shelf.

    FALSE

     

    02-04

    The heated bedplate is made of:

                ABS Plastic

                Steel

                Mirror glass

                Polished aluminum

                Safety glass

    02-05

    The leveling screws are used to adjust the heated bedplate for a level surface with the:

                Table

                Horizontal frame

                Reel assembly

                Lead screws

                Nozzle

     

    02-06

    The lead screws move the:

    Extruder assembly

    Heated bedplate

    Controller

    Reel Assembly

    Stepper Motor

     

     

    02-07

    The SD card slot is located on the:

                Upright frame

                Horizontal frame

                Controller

                Extruder assembly

                Electronics tray

     

    02-08

    The thermistor does:

                Moves the stepper motor

                Moves the heated bedplate

                Moves the filament

                Measures the movement of the hobbed gear

                Measures the temperature

     

                           

    02-09

    The best way to clean the heated bedplate is to use a glass cleaner and a clean coffee filter.

                FALSE

     

    02-10

    Scrape off any plastic remaining with a:

                Coffee filter

                Business card

                Razor scraper

                Chisel

                Slotted screwdriver

     

    02-11

    The Flex Mendel 3D Printer uses ___________ power supply.

                12 V

                24 V

                48 V    

    110 V

                220 V

                480 V

               

    02-12

    GFI stands for:

                Grounded Filament Interface

                Grounded Filament Interrupter

    Ground Fault Interrupter

    Ground Fault Interface

    Geometric File Interface

     

    02-13

    Which type of filament can NOT be used with most 3D printers:

                ABS plastic

                Brass

                Carbon fiber infused metal

                Wood

                Chocolate

                Rubber

               

    02-14

    Blowing compressed air into the filament feed path helps to:

                Prevents clogs from dust on the filament

                Cools down the filament feed path bushing

                Prevents metal shavings from plugging the path

                Prevent oils from touching the filament

                Cools down the hobbed gear

     

    02-15

    The purpose of the clean cloth with an office binder clip:

                Cleans the mirrored bedplate

                Cleans the 3D printed part

                Cleans the razor scraper

                Cleans the nozzle

                Cleans the dust off the filament

     

    02-16

    PLA filament should be stored when not in use:

                In a cold area

                In a heated area

                In a sealed container

                In a cabinet

                On the reel assembly

               

    02-17

    The main power switch is located:

                On the left side of the controller

                On the right side of the controller

                On the top side of the controller

                On the front of the controller

                On the GFI

     

     

     

     

     

     

    02-18

    The ______________ make tasks such as bedplate leveling, cleaning the bedplate, and adjusting the height of the nozzle from the bedplate during the skirt easier:

                Extruder assembly

                Controller

                LED lights

                Stepper motor

                GFI

               

    02-19

    The minimum number of points required to define a two-dimensional plane:

                Two

                Three

                Four

                Five

                Six

                Seven

                Eight

     

    02-20

    The purpose of _____________ is to set the nozzle at 0,0,0 on the Cartesian (rectangular) coordinate system.

                Prepare

                Extrude

                Watch Screen

                Prepare Bedplate

                Autohome

     

    02-21

    The thickness of a business card is approximately:

                .20 mm

                .25 mm

                .28 mm

                .30 mm

                .35 mm

                .40 mm

     

    02-22

    When moving either the extruder or bedplate, you should:

                Turn power on

                Turn power off

                Unplug the power cord

                Move then slowly

                Move then quickly

     

               

    02-23

    If the bed-leveling screws are placed far apart, then making minor adjustments only moves the bedplate a minimum distance, thus giving the operator much more precise control when leveling the bedplate.

                TRUE

     

    02-24

    The skirt is:

                The first layer of a 3D part.

                A support piece of a 3D part.

                A honeycomb infill of the interior of the 3D part.

                First perimeter around the part.

     

    02-25

    To micro-adjust the Z-height on the fly, you should:

                Turn the leveling screws

                Turn both the lead screws

                On the controller, Move Axis

                On the controller, Autohome

    Introduction to Slicing Applications Assessment

    Introduction to Slicing Applications Question Bank

    03-01

    Most 3D printers use a file type called:

                .gcode

                .f3d

                .stl

                .dwg

                .3dp

                .xyz

     

    03-02

    3D Printers can print a photograph?

                FALSE

     

    03-03

    The creative commons license information can be found in www.thingiverse.com for a given 3D object:

                Thing Details

                Thing Files

                Apps

                Likes

                Share

                Comments

     

    03-04

    When downloading files from www.thingiverse.com, you typically download these types of files:

                 .gcode

                .f3d

                .stl

                .dwg

                .3dp

                .xyz

     

    03-05

    A slicing application will input a STL file and slice the 3D object into:

                Horizontal thin layers

                Vertical thin layers

                Quadrants

                Horizontal thick layers

                Vertical thick perimeters

     

    03-06

    Slic3r offers a version for the Linux operating system?

                TRUE

    03-07

    New computers typically are ______ bit machines.

                8

    16

                32

                64

                128

                256

                512

     

    03-08

    When downloading the Slic3r application, you download what type of file:

                .exe

                .com

                .org

                .dllC

                .zip

     

    03-09

    A ____________ file will automatically populate all of the settings in Slic3r.

                dwg

                gcode

                config

                stl

                zip

     

     

    03-10

    You may edit the default settings in Slic3r for various 3D printing scenarios such as Prototype.  The Prototype printing scenario adjusts the Slic3r settings for:

                Minimum material usage

                Functional without forces

                Functional with light forces

                Components and rugged applications

                Very small parts with intricate details

     

    03-11

    To open the Slic3r application, you can double-click the Slic3r.exe file?

                TRUE

     

     

     

     

     

    03-12

    To load a config file in Slic3r, In the File pull-down menu, select:

    Open Config

    Open STL/INI/CON

    Open INI File

    Load Config

    Load STL/INI/CON

    Load INI File

     

    03-13

    The file type for a Slic3r Configuration file is:

                .con

                .cfg

                .ini

                .stl

                .gcode

                .3dc

     

    03-14

    The STL file type stands for:

                Standard Tessellation Language

                Standard Stereo Language

                Stereolithography

                Simple Triangle Language

                Stereolithography and Standard Tessellation Language

                Standard Stereo Language and Simple Triangle Language

     

    03-15

    In STL files, tiny triangles are called:

                Polys

                Polygons

                Facets

                Quads

                Vertices

     

     

     

    03-16

    In STL files, a simple 3D cube, can be covered by ___________ triangles.

                4

                6

                8

                10

                12

                16

                24

               

    03-17

    The normal vector should point _____________ with respect to the 3D model.

                inwards

                outwards

                towards X

                towards Y

                towards Z

                To the origin

     

    03-18

    Autodesk Fusion 360 does NOT export files to a stl format.  You must use Slic3r to accomplish this task?

                FALSE

     

    03-19

    G-code stands for:

                Go code

                Generic code

                Geometric code

                Graphics code

                Motion code

     

    03-20

    CNC stands for:

                Computer Numerical Control

                Computer Native Code

                Computer Native Control

                Control Numerical Computer

               

     

     

    03-21

    ____________ tells the 3D printer the instructions on how to move and operate the 3D printer’s equipment and electronics.

                The .stl file

                The .G-code file

                The .dwg file

                The .ini file

                The .com file

     

    03-22

    Layer height of .3m is:

                Low resolution

                Medium resolution

                High resolution

                Extreme resolution

    03-23

    To create a 3D printed adjustable wrench, you would set the infill to:

                0 %     

    5 %

                10 %

                15%

                20%

                100 %

     

    03-24

    A high perimeter print speed means longer build times?

                FALSE

     

    03-25

    Setting the First layer speed to a lower value will take more time to micro-adjust the Z-height and allow a proper bead shape.

                TRUE

     

    03-26

    The Flex Mendel does allow a USB slot to transfer your g-code from your network or hard drive.

                FALSE

     

     

     

     

     

     

     

     

    03-27

    Rotate the _______________ encoder knob clockwise to increase speed percentage and counter-clock wise to decrease speed percentage.

                Lead screws

                Leveling screws

                Encoder slider button

                Encoder knob

                Encoder on/off button