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  2. List of 3D-printed weapons and parts - Wikipedia

    en.wikipedia.org/wiki/List_of_3D-printed_weapons...

    The gun is made up of 34 3D-printed components. [17] Notable as the first fully metal 3D-printed firearm. Zig Zag revolver [5] [18] 2014, May [18] Primarily printed firearm: Revolver [5] FDM [5] Yoshitomo Imura [18] Metal pins, screws, rubber bands .38 Caliber Named after the German Mauser Zig-Zag revolver.

  3. Chameleon oil pattern - Wikipedia

    en.wikipedia.org/wiki/Chameleon_oil_pattern

    The Chameleon oil pattern is a pattern of oil used by the Professional Bowlers Association in tournament play. It is among the numerous Animal Patterns. [1] The current rendition of the Chameleon pattern is 39 feet in length. [2] This forces players to play a specific part of the lane because of the way the oil is layered in "strips".

  4. Tenpin bowling - Wikipedia

    en.wikipedia.org/wiki/Ten-pin_bowling

    Tenpin bowling is a type of bowling in which a bowler rolls a bowling ball down a wood or synthetic lane toward ten pins positioned evenly in four rows in an equilateral triangle. The goal is to knock down all ten pins on the first roll of the ball (a strike), or failing that, on the second roll (a spare). While most people approach modern ...

  5. Bowling form - Wikipedia

    en.wikipedia.org/wiki/Bowling_form

    A conventional roll of the bowling ball will enter the 1-3 pocket, and continue to roll from right-to-left (right-hander.) The ball only contacts four pins (1, 3, 5 and 9 pins) to achieve a strike. This type of roll/hit applies to strokers, power strokers and crankers. A conventional bowling form is the most commonly used method in 10-pin bowling.

  6. Hook (bowling) - Wikipedia

    en.wikipedia.org/wiki/Hook_(bowling)

    Most bowlers use three holes (thumb and two fingers,). On past, one could drill additional holes on other parts of the bowling ball, to take additional weight off of a portion of the bowling ball, such as an axis hole that allows the bowling ball's hook to stabilize during its roll to the pins. Doctoring the bowling ball by adding additional ...

  7. Shark oil pattern - Wikipedia

    en.wikipedia.org/wiki/Shark_oil_pattern

    A Shark oil pattern is a pattern of oil on the lane used by the Professional Bowlers Association in tournament play.. A typical Shark pattern is 44 feet long. It forces players to move toward the center of the lanes, because if the ball moves to the outside it will not curve back into the pocket.

  8. Bowling - Wikipedia

    en.wikipedia.org/wiki/Bowling

    Bowling is a target sport and recreational activity in which a player rolls a ball toward pins (in pin bowling) or another target (in target bowling). The term bowling usually refers to pin bowling, most commonly ten-pin bowling , though in the United Kingdom and Commonwealth countries, bowling may also refer to target bowling, such as lawn bowls .

  9. Glossary of bowling - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_bowling

    See Bowling ball#Layout and grip and Bowling ball#Effect of coverstock, core and layout on ball motion. Layout is also a term referring to the oil pattern used on a lane surface. League: An organized group of bowling teams that compete against each other according to rules and a schedule. Leagues may be certified by a national governing body.