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Bibliography

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== Introduction ==

TurtleBlocks is block computer programming language to create designs for [[laser cutting]] or a[[cutting plotter]] created by [http://cs.wellesley.edu/~fturbak/ Franklyn Turbak], and collaborators of the [http://www.tinkerblocks.org/ TinkerBlocks research group] at Wellesley. It is based on turtle geometry invented by Papert and the [[Logo]] community.

[[PictureBlocks]] is a twin project, {{quotation|which facilitates the construction of complex geometric designs from simple primitive pictures by transforming (rotating, flipping) pictures and composing them (putting one picture above, beside, or over one another).}}<ref name="turbak2012"> Franklyn Turbak, Smaranda Sandu, Olivia Kotsopoulos, Emily Erdman, Erin Davis, and Karishma Chadha. Blocks Languages for Creating Tangible Artifacts. In Proceedings of the IEEE Symposium on Visual Languages and Human-Centric Computing (VLHCC 2012), Innsbruck, Austria, Oct. 1--3, 2012.</ref>. It is based on Henderson's picture language based on functional geometry.

Both these environments aim {{quotation|to introduce non programmers to computational thinking [5] and give them hands-on experience with techniques like procedural abstraction, modularity, and divide/conquer/glue problem solving.}} <ref name="turbak2012"/>

Notice: There exists a similar language called [https://www.sugarlabs.org/turtle-blocks-js/ Turtle Blocks JavaScript], or sometimes as "Turtle Blocks". Formerly called "Turtle Art", it draws colorful art based on snap-together visual programming elements. Since it allows exporting to SVG, it could be used as a substitute for the original TurtleBlocks.

== Environment and availability ==

As of January 2020, TurtleBlocks is no longer supported and the current Java RunTime cannot execute it anymore. There may be a new Blockly-based version in the future.

It is possible to export to SVG from another block language. E.g. [[Turtlestitch]] can do that, but the result must be re-edited in a graphics software, e.g. [[Inkscape]]. Another interesting alternative is [[Twoville]], but as of Jan 2020, it lacks both a block version and documentation. [[Beetle Blocks]] has a 2D module that allows exporting to SVG. FlatCAD, a design tool for programming and manufacturing physical shapes, based on the FlatLang language is another alternative (to be tested).

== Links ==

* [http://www.tinkerblocks.org/turtleblocks TurtleBlocks] at TinkerBlocks.org, the website of the Wesley team working on block languages.
* [http://cs.wellesley.edu/~fturbak/ Home page of Franklyn Turbak], leader of the the TinkerBlocks research group, whose goal is to democratize computing by creating blocks programming languages that are more expressive and easier to use.

== Bibliography ==

=== Cited references ===

<references/>

=== Other ===

* H. Abelson and A. diSessa,Turtle Geometry: the Computer as a Medium for Exploring Mathematics. MIT Press, 1981

* M. Eisenberg, N. Elumeze, L. Buechley, G. Blauvelt, S. Hendrix, and A. Eisenberg, “The homespun museum: Computers, fabrication, and the design of personalized exhibits,” in Conf. on Creativity & Cognition (C&C’05), 2005, pp. 13–21.

* M. Eisenberg, A. Eisenberg, L. Buechley, and N. Elumeze, “Computers and physical construction: Blending fabrication into computer science education,” in Int. Conf. on Frontiers in Education: Computer Science& Computer Engineering (FECS ’08), 2008, pp. 127–133.

* P. Henderson, “Functional geometry,” in ACM Symposium on Lisp and Functional Programming, 1982, pp. 179–187. https://dl.acm.org/doi/10.1145/800068.802148

* P. Henderson, “Functional geometry,” Higher Order and Symbolic Computation, vol. 15, no. 4, pp. 349–365, 2002. [https://eprints.soton.ac.uk/257577/1/funcgeo2.pdf Preprint ?]

* S. Papert, Mindstorm: Children, Computers, and Powerful Ideas. BasicBooks, 1980.

[[category: laser cutting]]
[[category: programming]]
[[Category:Computer literacy]]
[[category: computational making]]

TurtleBlocks - Revision history

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