As you can see in the above diagrams, the stone is not coming in on a perfectly straight path.

To deliver the stone, a curler holds onto a handle positioned on top of the rock and then, by lifting the rock slightly as they push off from a foot-stop (the "hack"), the curler slides forward and gently releases the stone. Curling is played within a curling rink on a playing surface ice called a ‘sheet’ with granite stones.

Highlights of the Women's Curling gold medal game as Canada beat Sweden 6-3 to win the gold medal at the Sochi 2014 Olympic Games.

On some stones, the degree of concavity is different on both sides to allow for reversing the stone for ‘faster’ or ‘slower’ ice. Two teams of four alternately each "curls" their allotted two stones at the target. In the 11th end of the gold medal match, Swedish skip Anette Norberg achieves the double take out with her final stone.

By the seventeenth century, the sport was an active part of Scottish wintertime sports. This allows the stone to go farther, more accurately, and pick up more ‘curl’ than would be possible on a flat surface.There is a lighter-colored band in a ribbon around the curling stone.
As the stone is delivered, a slight spin is put on it, acting like a very, very slow curveball.The pebble is what helps the stone pick up the lateral motion.

Curling Men's Medal Ceremony - Salt Lake City 2002 Winter Olympics - NOR, CAN, SUIhttps://olympic-vh.akamaihd.net/i/Assets/MediaPlayer/Videos/Streaming/1998/02/07/lot3-schmirler sandra wm cio high/schmirler_sandra_wm_cio_high_,0200,0400,0600,.mp4.csmil/master.m3u8At the Nanago 1998 Winter Games, women's curling was included in the Olympic program for the first time. From this, we can pretty much guess that the later stones are more important to the outcome of the game. The goal of the game is, after all 16 stones are played (8 by each team), to have a stone of your team’s closest to the center of the house, called the ‘tee’ (see rink below). The release, which has to occur before the nearest hog line, is often accompanied by a gentle twist of the handle, which spins the stone. This spirit should influence both the interpretation and the application of the rules of the game and also the conduct of all participants on and off the ice. The other is a corn/straw/Canadian broom, which, with long bristles, looks much like a normal broom.For indoor tournaments the artificially created ice has its surface sprinkled with water droplets which freeze into tiny bumps on the surface.

A lot of people see the strange stones, brooms, and target in curling and think the rules must be very complicated. This is the ‘striking surface’.

Each rock weighs 19.1kg and is polished.The World Curling Federation (WCF) was founded in 1966 as the International Curling Federation, changing its name in 1991. Just 25 years later, the first curling club was formed 1932 in the United States.One of the unique aspects of curling concerns the playing surface.
Each round is called an ‘end’ and consists of two stones delivered by each player on each four-player team.

While the main object of the game of curling is to determine the relative skill of the players, The Spirit of Curling demands good sportsmanship, kindly feeling and honourable conduct. It may have begun in Scotland in the sixteenth century, or even earlier, in the Netherlands.

This spirit should influence both the interpretation and the application of the rules of the game and also the conduct of all participants on and off the ice. This is accomplished by sending your stone to rest in scoring position by utilizing one of many shots.

It may have begun in Scotland in the sixteenth century, or even earlier, in the Netherlands. Worst case is your warping 3d printing can pop off the heated bed and cause it to fail completely. This changes the character of the ice during the match, which in turn alters the movement of the curling stones.