Block-laying switch engine

	Block-laying switch engine
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Blocklayingswitchengine.png" class="mw-file-description" title="Block-laying switch engine image"><img alt="Block-laying switch engine image" src="/w/images/3/33/Blocklayingswitchengine.png" decoding="async" width="125" height="121" class="mw-file-element"></a></span>
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Blocklayingswitchengine.png" class="mw-file-description" title="Block-laying switch engine image"><img alt="Block-laying switch engine image" src="/w/images/3/33/Blocklayingswitchengine.png" decoding="async" width="125" height="121" class="mw-file-element"></a></span>
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Pattern type	Puffer
Number of cells	43
Bounding box	29 × 28
Direction	Diagonal
Period	288
Speed	c/12
Discovered by	Charles Corderman
Year of discovery	Unknown
Glider synthesis
Fewest gliders	5
Uploaded synthesis RLE	blocklayingswitchengine_synth.rle
Pattern files
Plaintext	blocklayingswitchengine.cells
RLE	blocklayingswitchengine.rle

The block-laying switch engine (or block-making switch engine) is a puffer that was found by Charles Corderman. It consists of a switch engine reacting with blocks to create an infinite number of new blocks (eight new blocks every 288 generations).

It is the most common naturally-occurring pattern that exhibits infinite growth, and is one of only two patterns that exhibits infinite growth that has been known to occur naturally (the other being the glider-producing switch engine).

Image gallery

The blocks left behind by the block-laying switch engine

A simple predecessor of the block-laying switch engine
**RLE:** here

External links

Single switch engine puffer trains at the Life Objects Catalog

Block-laying switch engine

Image gallery

External links

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